diff --git a/.rubocop.yml b/.rubocop.yml
index 6d8218d1..d4b34b0a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -22,7 +22,5 @@ Metrics/CyclomaticComplexity:
   Max: 8
 Style/Documentation:
   Enabled: false
-Style/FrozenStringLiteralComment:
-  Enabled: false
 Style/FormatStringToken:
   Enabled: false
diff --git a/Gemfile b/Gemfile
index 851fabc2..5f10ba8c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 gemspec
diff --git a/app/app.rb b/app/app.rb
index a703f64d..d3f49221 100644
--- a/app/app.rb
+++ b/app/app.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'models'
 require_relative 'finders'
 require_relative 'controllers'
diff --git a/app/controllers.rb b/app/controllers.rb
index 1300ecd9..cd1ff486 100644
--- a/app/controllers.rb
+++ b/app/controllers.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'controllers/core'
 require_relative 'controllers/custom_directories'
 require_relative 'controllers/wp_version'
diff --git a/app/controllers/aliases.rb b/app/controllers/aliases.rb
index 2f9c58a6..15087131 100644
--- a/app/controllers/aliases.rb
+++ b/app/controllers/aliases.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Controller to add the aliases in the CLI
diff --git a/app/controllers/core.rb b/app/controllers/core.rb
index a4927e0c..d9090b97 100644
--- a/app/controllers/core.rb
+++ b/app/controllers/core.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Specific Core controller to include WordPress checks
diff --git a/app/controllers/custom_directories.rb b/app/controllers/custom_directories.rb
index 812aad53..1e956a5c 100644
--- a/app/controllers/custom_directories.rb
+++ b/app/controllers/custom_directories.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Controller to ensure that the wp-content and wp-plugins
diff --git a/app/controllers/enumeration.rb b/app/controllers/enumeration.rb
index 7d8aa6ea..8a5abe6c 100644
--- a/app/controllers/enumeration.rb
+++ b/app/controllers/enumeration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'enumeration/cli_options'
 require_relative 'enumeration/enum_methods'
 
diff --git a/app/controllers/enumeration/cli_options.rb b/app/controllers/enumeration/cli_options.rb
index 20032333..37ea4d7c 100644
--- a/app/controllers/enumeration/cli_options.rb
+++ b/app/controllers/enumeration/cli_options.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Enumeration CLI Options
diff --git a/app/controllers/enumeration/enum_methods.rb b/app/controllers/enumeration/enum_methods.rb
index b6187d7b..1bf6158e 100644
--- a/app/controllers/enumeration/enum_methods.rb
+++ b/app/controllers/enumeration/enum_methods.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Enumeration Methods
diff --git a/app/controllers/main_theme.rb b/app/controllers/main_theme.rb
index 11f3c576..f3c0ce7b 100644
--- a/app/controllers/main_theme.rb
+++ b/app/controllers/main_theme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Main Theme Controller
diff --git a/app/controllers/password_attack.rb b/app/controllers/password_attack.rb
index f7890a3f..4749f864 100644
--- a/app/controllers/password_attack.rb
+++ b/app/controllers/password_attack.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Password Attack Controller
diff --git a/app/controllers/wp_version.rb b/app/controllers/wp_version.rb
index 5ea409c7..7e28d5f8 100644
--- a/app/controllers/wp_version.rb
+++ b/app/controllers/wp_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Controller
     # Wp Version Controller
diff --git a/app/finders.rb b/app/finders.rb
index 002bd1d0..079e93d4 100644
--- a/app/finders.rb
+++ b/app/finders.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'finders/interesting_findings'
 require_relative 'finders/wp_items'
 require_relative 'finders/wp_version'
diff --git a/app/finders/config_backups.rb b/app/finders/config_backups.rb
index 0afd2a16..1cf40659 100644
--- a/app/finders/config_backups.rb
+++ b/app/finders/config_backups.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'config_backups/known_filenames'
 
 module WPScan
diff --git a/app/finders/config_backups/known_filenames.rb b/app/finders/config_backups/known_filenames.rb
index 54319441..deace44f 100644
--- a/app/finders/config_backups/known_filenames.rb
+++ b/app/finders/config_backups/known_filenames.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module ConfigBackups
diff --git a/app/finders/db_exports.rb b/app/finders/db_exports.rb
index 8edccddb..3f5d78ee 100644
--- a/app/finders/db_exports.rb
+++ b/app/finders/db_exports.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'db_exports/known_locations'
 
 module WPScan
diff --git a/app/finders/db_exports/known_locations.rb b/app/finders/db_exports/known_locations.rb
index 8809bb53..6da23395 100644
--- a/app/finders/db_exports/known_locations.rb
+++ b/app/finders/db_exports/known_locations.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DbExports
diff --git a/app/finders/interesting_findings.rb b/app/finders/interesting_findings.rb
index a68e499f..fd0c91ed 100644
--- a/app/finders/interesting_findings.rb
+++ b/app/finders/interesting_findings.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'interesting_findings/readme'
 require_relative 'interesting_findings/wp_cron'
 require_relative 'interesting_findings/multisite'
diff --git a/app/finders/interesting_findings/backup_db.rb b/app/finders/interesting_findings/backup_db.rb
index 5b6e6fb6..7e742143 100644
--- a/app/finders/interesting_findings/backup_db.rb
+++ b/app/finders/interesting_findings/backup_db.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/debug_log.rb b/app/finders/interesting_findings/debug_log.rb
index aa581500..45d6c4a1 100644
--- a/app/finders/interesting_findings/debug_log.rb
+++ b/app/finders/interesting_findings/debug_log.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/duplicator_installer_log.rb b/app/finders/interesting_findings/duplicator_installer_log.rb
index e96966bf..c84dfc04 100644
--- a/app/finders/interesting_findings/duplicator_installer_log.rb
+++ b/app/finders/interesting_findings/duplicator_installer_log.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/emergency_pwd_reset_script.rb b/app/finders/interesting_findings/emergency_pwd_reset_script.rb
index 0f36b273..4f37c2e8 100644
--- a/app/finders/interesting_findings/emergency_pwd_reset_script.rb
+++ b/app/finders/interesting_findings/emergency_pwd_reset_script.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/full_path_disclosure.rb b/app/finders/interesting_findings/full_path_disclosure.rb
index 4c4463df..50c45a92 100644
--- a/app/finders/interesting_findings/full_path_disclosure.rb
+++ b/app/finders/interesting_findings/full_path_disclosure.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/mu_plugins.rb b/app/finders/interesting_findings/mu_plugins.rb
index f4e2da4e..fc5db708 100644
--- a/app/finders/interesting_findings/mu_plugins.rb
+++ b/app/finders/interesting_findings/mu_plugins.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/multisite.rb b/app/finders/interesting_findings/multisite.rb
index 0c2d02f6..e55d160e 100644
--- a/app/finders/interesting_findings/multisite.rb
+++ b/app/finders/interesting_findings/multisite.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/readme.rb b/app/finders/interesting_findings/readme.rb
index c742ed3b..d5436569 100644
--- a/app/finders/interesting_findings/readme.rb
+++ b/app/finders/interesting_findings/readme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/registration.rb b/app/finders/interesting_findings/registration.rb
index df9c206f..0fb693cf 100644
--- a/app/finders/interesting_findings/registration.rb
+++ b/app/finders/interesting_findings/registration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/tmm_db_migrate.rb b/app/finders/interesting_findings/tmm_db_migrate.rb
index fa649f2b..c1008dda 100644
--- a/app/finders/interesting_findings/tmm_db_migrate.rb
+++ b/app/finders/interesting_findings/tmm_db_migrate.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/upload_directory_listing.rb b/app/finders/interesting_findings/upload_directory_listing.rb
index 8fbfce37..f74be93c 100644
--- a/app/finders/interesting_findings/upload_directory_listing.rb
+++ b/app/finders/interesting_findings/upload_directory_listing.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/upload_sql_dump.rb b/app/finders/interesting_findings/upload_sql_dump.rb
index b7a9dd84..94a1d2cd 100644
--- a/app/finders/interesting_findings/upload_sql_dump.rb
+++ b/app/finders/interesting_findings/upload_sql_dump.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/interesting_findings/wp_cron.rb b/app/finders/interesting_findings/wp_cron.rb
index 1e2ef342..53e5f588 100644
--- a/app/finders/interesting_findings/wp_cron.rb
+++ b/app/finders/interesting_findings/wp_cron.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module InterestingFindings
diff --git a/app/finders/main_theme.rb b/app/finders/main_theme.rb
index b28a1937..d353d451 100644
--- a/app/finders/main_theme.rb
+++ b/app/finders/main_theme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'main_theme/css_style'
 require_relative 'main_theme/woo_framework_meta_generator'
 require_relative 'main_theme/urls_in_homepage'
diff --git a/app/finders/main_theme/css_style.rb b/app/finders/main_theme/css_style.rb
index f4329e68..dbf50a0e 100644
--- a/app/finders/main_theme/css_style.rb
+++ b/app/finders/main_theme/css_style.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module MainTheme
diff --git a/app/finders/main_theme/urls_in_homepage.rb b/app/finders/main_theme/urls_in_homepage.rb
index 86a5b264..b424d2ff 100644
--- a/app/finders/main_theme/urls_in_homepage.rb
+++ b/app/finders/main_theme/urls_in_homepage.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module MainTheme
diff --git a/app/finders/main_theme/woo_framework_meta_generator.rb b/app/finders/main_theme/woo_framework_meta_generator.rb
index 81586c18..427dc83c 100644
--- a/app/finders/main_theme/woo_framework_meta_generator.rb
+++ b/app/finders/main_theme/woo_framework_meta_generator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module MainTheme
diff --git a/app/finders/medias.rb b/app/finders/medias.rb
index 80b2ec7c..235ebb06 100644
--- a/app/finders/medias.rb
+++ b/app/finders/medias.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'medias/attachment_brute_forcing'
 
 module WPScan
diff --git a/app/finders/medias/attachment_brute_forcing.rb b/app/finders/medias/attachment_brute_forcing.rb
index 6c19edb3..f9419ea4 100644
--- a/app/finders/medias/attachment_brute_forcing.rb
+++ b/app/finders/medias/attachment_brute_forcing.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Medias
diff --git a/app/finders/passwords.rb b/app/finders/passwords.rb
index d1432766..1d9c531f 100644
--- a/app/finders/passwords.rb
+++ b/app/finders/passwords.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'passwords/wp_login'
 require_relative 'passwords/xml_rpc'
 require_relative 'passwords/xml_rpc_multicall'
diff --git a/app/finders/passwords/wp_login.rb b/app/finders/passwords/wp_login.rb
index 6f8c274d..39ea86fa 100644
--- a/app/finders/passwords/wp_login.rb
+++ b/app/finders/passwords/wp_login.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Passwords
diff --git a/app/finders/passwords/xml_rpc.rb b/app/finders/passwords/xml_rpc.rb
index 0f28252e..1e50317d 100644
--- a/app/finders/passwords/xml_rpc.rb
+++ b/app/finders/passwords/xml_rpc.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Passwords
diff --git a/app/finders/passwords/xml_rpc_multicall.rb b/app/finders/passwords/xml_rpc_multicall.rb
index c1536204..e66b4fc6 100644
--- a/app/finders/passwords/xml_rpc_multicall.rb
+++ b/app/finders/passwords/xml_rpc_multicall.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Passwords
diff --git a/app/finders/plugin_version.rb b/app/finders/plugin_version.rb
index 274c3135..77c48d52 100644
--- a/app/finders/plugin_version.rb
+++ b/app/finders/plugin_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'plugin_version/readme'
 
 module WPScan
diff --git a/app/finders/plugin_version/readme.rb b/app/finders/plugin_version/readme.rb
index b9db2b62..d703414d 100644
--- a/app/finders/plugin_version/readme.rb
+++ b/app/finders/plugin_version/readme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module PluginVersion
diff --git a/app/finders/plugins.rb b/app/finders/plugins.rb
index 7fa347e9..2efc8e74 100644
--- a/app/finders/plugins.rb
+++ b/app/finders/plugins.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'plugins/urls_in_homepage'
 require_relative 'plugins/known_locations'
 # From the DynamicFinders
diff --git a/app/finders/plugins/body_pattern.rb b/app/finders/plugins/body_pattern.rb
index edbe5d99..8d11b50b 100644
--- a/app/finders/plugins/body_pattern.rb
+++ b/app/finders/plugins/body_pattern.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/comment.rb b/app/finders/plugins/comment.rb
index fbe9444e..05d69d90 100644
--- a/app/finders/plugins/comment.rb
+++ b/app/finders/plugins/comment.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/config_parser.rb b/app/finders/plugins/config_parser.rb
index 6a7e8d4c..35882508 100644
--- a/app/finders/plugins/config_parser.rb
+++ b/app/finders/plugins/config_parser.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/header_pattern.rb b/app/finders/plugins/header_pattern.rb
index 6b90a0ae..cf2b6764 100644
--- a/app/finders/plugins/header_pattern.rb
+++ b/app/finders/plugins/header_pattern.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/javascript_var.rb b/app/finders/plugins/javascript_var.rb
index 83caefbc..773f42c2 100644
--- a/app/finders/plugins/javascript_var.rb
+++ b/app/finders/plugins/javascript_var.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/known_locations.rb b/app/finders/plugins/known_locations.rb
index 63cfc347..92c75b5c 100644
--- a/app/finders/plugins/known_locations.rb
+++ b/app/finders/plugins/known_locations.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/query_parameter.rb b/app/finders/plugins/query_parameter.rb
index 15d29279..da2ff7a2 100644
--- a/app/finders/plugins/query_parameter.rb
+++ b/app/finders/plugins/query_parameter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/urls_in_homepage.rb b/app/finders/plugins/urls_in_homepage.rb
index 0b0e2d9a..22334f9f 100644
--- a/app/finders/plugins/urls_in_homepage.rb
+++ b/app/finders/plugins/urls_in_homepage.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/plugins/xpath.rb b/app/finders/plugins/xpath.rb
index 76cb80fb..fdddb4b9 100644
--- a/app/finders/plugins/xpath.rb
+++ b/app/finders/plugins/xpath.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Plugins
diff --git a/app/finders/theme_version.rb b/app/finders/theme_version.rb
index ef126688..3e870386 100644
--- a/app/finders/theme_version.rb
+++ b/app/finders/theme_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'theme_version/style'
 require_relative 'theme_version/woo_framework_meta_generator'
 
diff --git a/app/finders/theme_version/style.rb b/app/finders/theme_version/style.rb
index 55015369..4362ac6c 100644
--- a/app/finders/theme_version/style.rb
+++ b/app/finders/theme_version/style.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module ThemeVersion
diff --git a/app/finders/theme_version/woo_framework_meta_generator.rb b/app/finders/theme_version/woo_framework_meta_generator.rb
index 75124c5d..ef8e8433 100644
--- a/app/finders/theme_version/woo_framework_meta_generator.rb
+++ b/app/finders/theme_version/woo_framework_meta_generator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module ThemeVersion
diff --git a/app/finders/themes.rb b/app/finders/themes.rb
index 738b223d..95cedffe 100644
--- a/app/finders/themes.rb
+++ b/app/finders/themes.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'themes/urls_in_homepage'
 require_relative 'themes/known_locations'
 
diff --git a/app/finders/themes/known_locations.rb b/app/finders/themes/known_locations.rb
index 11bd4549..a36d3cc8 100644
--- a/app/finders/themes/known_locations.rb
+++ b/app/finders/themes/known_locations.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Themes
diff --git a/app/finders/themes/urls_in_homepage.rb b/app/finders/themes/urls_in_homepage.rb
index 7354b713..4709bba0 100644
--- a/app/finders/themes/urls_in_homepage.rb
+++ b/app/finders/themes/urls_in_homepage.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Themes
diff --git a/app/finders/timthumb_version.rb b/app/finders/timthumb_version.rb
index 9571a1ee..a87445a0 100644
--- a/app/finders/timthumb_version.rb
+++ b/app/finders/timthumb_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'timthumb_version/bad_request'
 
 module WPScan
diff --git a/app/finders/timthumb_version/bad_request.rb b/app/finders/timthumb_version/bad_request.rb
index b0e81de3..20f0f936 100644
--- a/app/finders/timthumb_version/bad_request.rb
+++ b/app/finders/timthumb_version/bad_request.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module TimthumbVersion
diff --git a/app/finders/timthumbs.rb b/app/finders/timthumbs.rb
index a6271501..54009abb 100644
--- a/app/finders/timthumbs.rb
+++ b/app/finders/timthumbs.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'timthumbs/known_locations'
 
 module WPScan
diff --git a/app/finders/timthumbs/known_locations.rb b/app/finders/timthumbs/known_locations.rb
index 5935a30c..ba995157 100644
--- a/app/finders/timthumbs/known_locations.rb
+++ b/app/finders/timthumbs/known_locations.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Timthumbs
diff --git a/app/finders/users.rb b/app/finders/users.rb
index f9d5cbdc..9a520ddd 100644
--- a/app/finders/users.rb
+++ b/app/finders/users.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'users/author_posts'
 require_relative 'users/wp_json_api'
 require_relative 'users/oembed_api'
diff --git a/app/finders/users/author_id_brute_forcing.rb b/app/finders/users/author_id_brute_forcing.rb
index 20cb0789..725a7190 100644
--- a/app/finders/users/author_id_brute_forcing.rb
+++ b/app/finders/users/author_id_brute_forcing.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Users
diff --git a/app/finders/users/author_posts.rb b/app/finders/users/author_posts.rb
index fb427e21..61968d9c 100644
--- a/app/finders/users/author_posts.rb
+++ b/app/finders/users/author_posts.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Users
diff --git a/app/finders/users/login_error_messages.rb b/app/finders/users/login_error_messages.rb
index 148dee3f..4c0ef2ae 100644
--- a/app/finders/users/login_error_messages.rb
+++ b/app/finders/users/login_error_messages.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Users
diff --git a/app/finders/users/oembed_api.rb b/app/finders/users/oembed_api.rb
index 13011158..ebe2eb13 100644
--- a/app/finders/users/oembed_api.rb
+++ b/app/finders/users/oembed_api.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Users
diff --git a/app/finders/users/rss_generator.rb b/app/finders/users/rss_generator.rb
index 97175bbf..1ee05361 100644
--- a/app/finders/users/rss_generator.rb
+++ b/app/finders/users/rss_generator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Users
diff --git a/app/finders/users/wp_json_api.rb b/app/finders/users/wp_json_api.rb
index b78f038c..4affa32c 100644
--- a/app/finders/users/wp_json_api.rb
+++ b/app/finders/users/wp_json_api.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Users
diff --git a/app/finders/users/yoast_seo_author_sitemap.rb b/app/finders/users/yoast_seo_author_sitemap.rb
index 3bd2ac9f..55023ffa 100644
--- a/app/finders/users/yoast_seo_author_sitemap.rb
+++ b/app/finders/users/yoast_seo_author_sitemap.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module Users
diff --git a/app/finders/wp_items.rb b/app/finders/wp_items.rb
index 2e55f506..ded84746 100644
--- a/app/finders/wp_items.rb
+++ b/app/finders/wp_items.rb
@@ -1 +1,3 @@
+# frozen_string_literal: true
+
 require_relative 'wp_items/urls_in_homepage'
diff --git a/app/finders/wp_items/urls_in_homepage.rb b/app/finders/wp_items/urls_in_homepage.rb
index 1f79e368..f69586d3 100644
--- a/app/finders/wp_items/urls_in_homepage.rb
+++ b/app/finders/wp_items/urls_in_homepage.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module WpItems
diff --git a/app/finders/wp_version.rb b/app/finders/wp_version.rb
index 44f0771d..5ed4719f 100644
--- a/app/finders/wp_version.rb
+++ b/app/finders/wp_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'wp_version/rss_generator'
 require_relative 'wp_version/atom_generator'
 require_relative 'wp_version/rdf_generator'
diff --git a/app/finders/wp_version/atom_generator.rb b/app/finders/wp_version/atom_generator.rb
index 2267be55..e1357cf9 100644
--- a/app/finders/wp_version/atom_generator.rb
+++ b/app/finders/wp_version/atom_generator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module WpVersion
diff --git a/app/finders/wp_version/rdf_generator.rb b/app/finders/wp_version/rdf_generator.rb
index 2a5b6e66..8a4e0f4f 100644
--- a/app/finders/wp_version/rdf_generator.rb
+++ b/app/finders/wp_version/rdf_generator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module WpVersion
diff --git a/app/finders/wp_version/readme.rb b/app/finders/wp_version/readme.rb
index 26c62474..f40a8eee 100644
--- a/app/finders/wp_version/readme.rb
+++ b/app/finders/wp_version/readme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module WpVersion
diff --git a/app/finders/wp_version/rss_generator.rb b/app/finders/wp_version/rss_generator.rb
index 0ea2effa..a92e0cb6 100644
--- a/app/finders/wp_version/rss_generator.rb
+++ b/app/finders/wp_version/rss_generator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module WpVersion
diff --git a/app/finders/wp_version/unique_fingerprinting.rb b/app/finders/wp_version/unique_fingerprinting.rb
index 72c12aee..1eea532a 100644
--- a/app/finders/wp_version/unique_fingerprinting.rb
+++ b/app/finders/wp_version/unique_fingerprinting.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module WpVersion
diff --git a/app/models.rb b/app/models.rb
index 4e8c008e..69e7395a 100644
--- a/app/models.rb
+++ b/app/models.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     include CMSScanner::Model
diff --git a/app/models/config_backup.rb b/app/models/config_backup.rb
index e40161a3..7a54502a 100644
--- a/app/models/config_backup.rb
+++ b/app/models/config_backup.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # Config Backup
diff --git a/app/models/db_export.rb b/app/models/db_export.rb
index bde67da3..c983d2fd 100644
--- a/app/models/db_export.rb
+++ b/app/models/db_export.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # DB Export
diff --git a/app/models/interesting_finding.rb b/app/models/interesting_finding.rb
index 848e8f72..61e44da6 100644
--- a/app/models/interesting_finding.rb
+++ b/app/models/interesting_finding.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # Custom class to include the WPScan::References module
diff --git a/app/models/media.rb b/app/models/media.rb
index ef91ca4f..9d4e0cb7 100644
--- a/app/models/media.rb
+++ b/app/models/media.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # Media
diff --git a/app/models/plugin.rb b/app/models/plugin.rb
index 1d7a16f6..0d854984 100644
--- a/app/models/plugin.rb
+++ b/app/models/plugin.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # WordPress Plugin
diff --git a/app/models/theme.rb b/app/models/theme.rb
index 06e88783..c5fe28a2 100644
--- a/app/models/theme.rb
+++ b/app/models/theme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # WordPress Theme
diff --git a/app/models/timthumb.rb b/app/models/timthumb.rb
index 566c2e89..a4973752 100644
--- a/app/models/timthumb.rb
+++ b/app/models/timthumb.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # Timthumb
diff --git a/app/models/wp_item.rb b/app/models/wp_item.rb
index f8d73032..fed847a4 100644
--- a/app/models/wp_item.rb
+++ b/app/models/wp_item.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # WpItem (superclass of Plugin & Theme)
diff --git a/app/models/wp_version.rb b/app/models/wp_version.rb
index ba8ae63c..3cca1df3 100644
--- a/app/models/wp_version.rb
+++ b/app/models/wp_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # WP Version
diff --git a/app/models/xml_rpc.rb b/app/models/xml_rpc.rb
index 97d2cdfc..0c065194 100644
--- a/app/models/xml_rpc.rb
+++ b/app/models/xml_rpc.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Model
     # Override of the CMSScanner::XMLRPC to include the references
diff --git a/bin/wpscan b/bin/wpscan
index ad10feae..b4f2d680 100755
--- a/bin/wpscan
+++ b/bin/wpscan
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require 'wpscan'
 
diff --git a/lib/wpscan.rb b/lib/wpscan.rb
index 78f1345c..4229d7a2 100644
--- a/lib/wpscan.rb
+++ b/lib/wpscan.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Gems
 # Believe it or not, active_support MUST be the first one,
 # otherwise encoding issues can happen when using JSON format.
diff --git a/lib/wpscan/browser.rb b/lib/wpscan/browser.rb
index 7bb07fb1..715b2bac 100644
--- a/lib/wpscan/browser.rb
+++ b/lib/wpscan/browser.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   # Custom Browser
   class Browser < CMSScanner::Browser
diff --git a/lib/wpscan/controller.rb b/lib/wpscan/controller.rb
index 1bd70fa4..7913c7d1 100644
--- a/lib/wpscan/controller.rb
+++ b/lib/wpscan/controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   # Needed to load at least the Core controller
   # Otherwise, the following error will be raised:
diff --git a/lib/wpscan/controllers.rb b/lib/wpscan/controllers.rb
index 166c3759..97e3173e 100644
--- a/lib/wpscan/controllers.rb
+++ b/lib/wpscan/controllers.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   # Override to set the OptParser's summary width to 45 (instead of 40 from the CMSScanner)
   class Controllers < CMSScanner::Controllers
diff --git a/lib/wpscan/db.rb b/lib/wpscan/db.rb
index a6542ff2..e0e82783 100644
--- a/lib/wpscan/db.rb
+++ b/lib/wpscan/db.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'db/wp_item'
 require_relative 'db/updater'
 require_relative 'db/wp_items'
diff --git a/lib/wpscan/db/dynamic_finders/base.rb b/lib/wpscan/db/dynamic_finders/base.rb
index 3844ea50..e4203688 100644
--- a/lib/wpscan/db/dynamic_finders/base.rb
+++ b/lib/wpscan/db/dynamic_finders/base.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     module DynamicFinders
diff --git a/lib/wpscan/db/dynamic_finders/plugin.rb b/lib/wpscan/db/dynamic_finders/plugin.rb
index 16e25a95..9aaf8379 100644
--- a/lib/wpscan/db/dynamic_finders/plugin.rb
+++ b/lib/wpscan/db/dynamic_finders/plugin.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     module DynamicFinders
diff --git a/lib/wpscan/db/dynamic_finders/theme.rb b/lib/wpscan/db/dynamic_finders/theme.rb
index cc8d1f5a..8d8d9d4e 100644
--- a/lib/wpscan/db/dynamic_finders/theme.rb
+++ b/lib/wpscan/db/dynamic_finders/theme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     module DynamicFinders
diff --git a/lib/wpscan/db/dynamic_finders/wordpress.rb b/lib/wpscan/db/dynamic_finders/wordpress.rb
index b47149d4..8896453f 100644
--- a/lib/wpscan/db/dynamic_finders/wordpress.rb
+++ b/lib/wpscan/db/dynamic_finders/wordpress.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     module DynamicFinders
diff --git a/lib/wpscan/db/fingerprints.rb b/lib/wpscan/db/fingerprints.rb
index ef46c6b9..5e274179 100644
--- a/lib/wpscan/db/fingerprints.rb
+++ b/lib/wpscan/db/fingerprints.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # Fingerprints class
diff --git a/lib/wpscan/db/plugin.rb b/lib/wpscan/db/plugin.rb
index 984980e9..62cd3628 100644
--- a/lib/wpscan/db/plugin.rb
+++ b/lib/wpscan/db/plugin.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # Plugin DB
diff --git a/lib/wpscan/db/plugins.rb b/lib/wpscan/db/plugins.rb
index ae70b46d..f8472ca3 100644
--- a/lib/wpscan/db/plugins.rb
+++ b/lib/wpscan/db/plugins.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # WP Plugins
diff --git a/lib/wpscan/db/theme.rb b/lib/wpscan/db/theme.rb
index 59646e69..9d919414 100644
--- a/lib/wpscan/db/theme.rb
+++ b/lib/wpscan/db/theme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # Theme DB
diff --git a/lib/wpscan/db/themes.rb b/lib/wpscan/db/themes.rb
index 27eab10a..1eeb4aef 100644
--- a/lib/wpscan/db/themes.rb
+++ b/lib/wpscan/db/themes.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # WP Themes
diff --git a/lib/wpscan/db/updater.rb b/lib/wpscan/db/updater.rb
index 568158e4..9575d45b 100644
--- a/lib/wpscan/db/updater.rb
+++ b/lib/wpscan/db/updater.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # Class used to perform DB updates
diff --git a/lib/wpscan/db/wp_item.rb b/lib/wpscan/db/wp_item.rb
index a5d93bff..3ac34ac6 100644
--- a/lib/wpscan/db/wp_item.rb
+++ b/lib/wpscan/db/wp_item.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # WpItem - super DB class for Plugin, Theme and Version
diff --git a/lib/wpscan/db/wp_items.rb b/lib/wpscan/db/wp_items.rb
index b7e08337..0cf4984c 100644
--- a/lib/wpscan/db/wp_items.rb
+++ b/lib/wpscan/db/wp_items.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # WP Items
diff --git a/lib/wpscan/db/wp_version.rb b/lib/wpscan/db/wp_version.rb
index c74b3ad1..c03a74b4 100644
--- a/lib/wpscan/db/wp_version.rb
+++ b/lib/wpscan/db/wp_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module DB
     # WP Version
diff --git a/lib/wpscan/errors.rb b/lib/wpscan/errors.rb
index 780456eb..08469ba9 100644
--- a/lib/wpscan/errors.rb
+++ b/lib/wpscan/errors.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Error
     include CMSScanner::Error
diff --git a/lib/wpscan/errors/http.rb b/lib/wpscan/errors/http.rb
index 55c67634..a18236fc 100644
--- a/lib/wpscan/errors/http.rb
+++ b/lib/wpscan/errors/http.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Error
     # HTTP Error
diff --git a/lib/wpscan/errors/update.rb b/lib/wpscan/errors/update.rb
index f02d7a9c..f20e5dc4 100644
--- a/lib/wpscan/errors/update.rb
+++ b/lib/wpscan/errors/update.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Error
     # Error raised when there is a missing  DB file and --no-update supplied
diff --git a/lib/wpscan/errors/wordpress.rb b/lib/wpscan/errors/wordpress.rb
index fccc7b1e..16cc4c86 100644
--- a/lib/wpscan/errors/wordpress.rb
+++ b/lib/wpscan/errors/wordpress.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Error
     # WordPress hosted (*.wordpress.com)
diff --git a/lib/wpscan/errors/xmlrpc.rb b/lib/wpscan/errors/xmlrpc.rb
index 0623c617..af68828c 100644
--- a/lib/wpscan/errors/xmlrpc.rb
+++ b/lib/wpscan/errors/xmlrpc.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Error
     # XML-RPC Not Detected
diff --git a/lib/wpscan/finders.rb b/lib/wpscan/finders.rb
index c191f5f6..224920bd 100644
--- a/lib/wpscan/finders.rb
+++ b/lib/wpscan/finders.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'wpscan/finders/finder/wp_version/smart_url_checker'
 
 require 'wpscan/finders/dynamic_finder/finder'
diff --git a/lib/wpscan/finders/dynamic_finder/finder.rb b/lib/wpscan/finders/dynamic_finder/finder.rb
index 8d419bb2..60c42f94 100644
--- a/lib/wpscan/finders/dynamic_finder/finder.rb
+++ b/lib/wpscan/finders/dynamic_finder/finder.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/body_pattern.rb b/lib/wpscan/finders/dynamic_finder/version/body_pattern.rb
index 7afed0d1..ab035573 100644
--- a/lib/wpscan/finders/dynamic_finder/version/body_pattern.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/body_pattern.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/comment.rb b/lib/wpscan/finders/dynamic_finder/version/comment.rb
index 385a10d2..03fcd142 100644
--- a/lib/wpscan/finders/dynamic_finder/version/comment.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/comment.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/config_parser.rb b/lib/wpscan/finders/dynamic_finder/version/config_parser.rb
index a8310a64..11edfaf1 100644
--- a/lib/wpscan/finders/dynamic_finder/version/config_parser.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/config_parser.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/finder.rb b/lib/wpscan/finders/dynamic_finder/version/finder.rb
index 49cc25d4..bbf1b2c2 100644
--- a/lib/wpscan/finders/dynamic_finder/version/finder.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/finder.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/header_pattern.rb b/lib/wpscan/finders/dynamic_finder/version/header_pattern.rb
index efa09f4f..d3992502 100644
--- a/lib/wpscan/finders/dynamic_finder/version/header_pattern.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/header_pattern.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/javascript_var.rb b/lib/wpscan/finders/dynamic_finder/version/javascript_var.rb
index 57dde9f6..5593c07a 100644
--- a/lib/wpscan/finders/dynamic_finder/version/javascript_var.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/javascript_var.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/query_parameter.rb b/lib/wpscan/finders/dynamic_finder/version/query_parameter.rb
index 0e42274a..ba783edb 100644
--- a/lib/wpscan/finders/dynamic_finder/version/query_parameter.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/query_parameter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/version/xpath.rb b/lib/wpscan/finders/dynamic_finder/version/xpath.rb
index f7e00c50..f4f26b4e 100644
--- a/lib/wpscan/finders/dynamic_finder/version/xpath.rb
+++ b/lib/wpscan/finders/dynamic_finder/version/xpath.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/wp_item_version.rb b/lib/wpscan/finders/dynamic_finder/wp_item_version.rb
index d411ae07..4e1da30d 100644
--- a/lib/wpscan/finders/dynamic_finder/wp_item_version.rb
+++ b/lib/wpscan/finders/dynamic_finder/wp_item_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/wp_items/finder.rb b/lib/wpscan/finders/dynamic_finder/wp_items/finder.rb
index f846e636..bd348550 100644
--- a/lib/wpscan/finders/dynamic_finder/wp_items/finder.rb
+++ b/lib/wpscan/finders/dynamic_finder/wp_items/finder.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/dynamic_finder/wp_version.rb b/lib/wpscan/finders/dynamic_finder/wp_version.rb
index 2af671df..1becdbad 100644
--- a/lib/wpscan/finders/dynamic_finder/wp_version.rb
+++ b/lib/wpscan/finders/dynamic_finder/wp_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     module DynamicFinder
diff --git a/lib/wpscan/finders/finder/wp_version/smart_url_checker.rb b/lib/wpscan/finders/finder/wp_version/smart_url_checker.rb
index 054c689c..83f15ca5 100644
--- a/lib/wpscan/finders/finder/wp_version/smart_url_checker.rb
+++ b/lib/wpscan/finders/finder/wp_version/smart_url_checker.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   module Finders
     class Finder
diff --git a/lib/wpscan/helper.rb b/lib/wpscan/helper.rb
index 30273a25..0804d68d 100644
--- a/lib/wpscan/helper.rb
+++ b/lib/wpscan/helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 def read_json_file(file)
   JSON.parse(File.read(file))
 rescue StandardError => e
diff --git a/lib/wpscan/references.rb b/lib/wpscan/references.rb
index 7dd2425d..103849dc 100644
--- a/lib/wpscan/references.rb
+++ b/lib/wpscan/references.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   # References module (which should be included along with the CMSScanner::References)
   # to allow the use of the wpvulndb reference
diff --git a/lib/wpscan/target.rb b/lib/wpscan/target.rb
index 52422623..61e4ae66 100644
--- a/lib/wpscan/target.rb
+++ b/lib/wpscan/target.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'wpscan/target/platform/wordpress'
 
 module WPScan
diff --git a/lib/wpscan/target/platform/wordpress.rb b/lib/wpscan/target/platform/wordpress.rb
index 134fe941..4828cbbd 100644
--- a/lib/wpscan/target/platform/wordpress.rb
+++ b/lib/wpscan/target/platform/wordpress.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 %w[custom_directories].each do |required|
   require "wpscan/target/platform/wordpress/#{required}"
 end
diff --git a/lib/wpscan/target/platform/wordpress/custom_directories.rb b/lib/wpscan/target/platform/wordpress/custom_directories.rb
index 0aba4577..3db8231a 100644
--- a/lib/wpscan/target/platform/wordpress/custom_directories.rb
+++ b/lib/wpscan/target/platform/wordpress/custom_directories.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   class Target < CMSScanner::Target
     module Platform
@@ -111,9 +113,9 @@ module WPScan
           return @uri.to_s unless path
 
           if path =~ %r{wp\-content/plugins}i
-            path.gsub!('wp-content/plugins', plugins_dir)
+            path = +path.gsub('wp-content/plugins', plugins_dir)
           elsif path =~ /wp\-content/i
-            path.gsub!('wp-content', content_dir)
+            path = +path.gsub('wp-content', content_dir)
           elsif path[0] != '/' && sub_dir
             path = "#{sub_dir}/#{path}"
           end
diff --git a/lib/wpscan/version.rb b/lib/wpscan/version.rb
index 66b11496..cffaf2dc 100644
--- a/lib/wpscan/version.rb
+++ b/lib/wpscan/version.rb
@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 # Version
 module WPScan
-  VERSION = '3.4.5'.freeze
+  VERSION = '3.4.5'
 end
diff --git a/lib/wpscan/vulnerability.rb b/lib/wpscan/vulnerability.rb
index 4ddf1a54..f918c175 100644
--- a/lib/wpscan/vulnerability.rb
+++ b/lib/wpscan/vulnerability.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   # Specific implementation
   class Vulnerability < CMSScanner::Vulnerability
diff --git a/lib/wpscan/vulnerable.rb b/lib/wpscan/vulnerable.rb
index ecbec0c0..b946df73 100644
--- a/lib/wpscan/vulnerable.rb
+++ b/lib/wpscan/vulnerable.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WPScan
   # Module to include in vulnerable WP item such as WpVersion.
   # the vulnerabilities method should be implemented
diff --git a/spec/app/controllers/aliases_spec.rb b/spec/app/controllers/aliases_spec.rb
index dd3ade32..97be5604 100644
--- a/spec/app/controllers/aliases_spec.rb
+++ b/spec/app/controllers/aliases_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Controller::Aliases do
   subject(:controller) { described_class.new }
   let(:target_url)     { 'http://ex.lo/' }
diff --git a/spec/app/controllers/core_spec.rb b/spec/app/controllers/core_spec.rb
index abb910bd..66c1050a 100644
--- a/spec/app/controllers/core_spec.rb
+++ b/spec/app/controllers/core_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Controller::Core do
   subject(:core)       { described_class.new }
   let(:target_url)     { 'http://ex.lo/' }
diff --git a/spec/app/controllers/custom_directories_spec.rb b/spec/app/controllers/custom_directories_spec.rb
index 3b585c3c..5351de69 100644
--- a/spec/app/controllers/custom_directories_spec.rb
+++ b/spec/app/controllers/custom_directories_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Controller::CustomDirectories do
   subject(:controller) { described_class.new }
   let(:target_url)     { 'http://ex.lo/' }
diff --git a/spec/app/controllers/enumeration_spec.rb b/spec/app/controllers/enumeration_spec.rb
index 0c89a6a8..8374bb61 100644
--- a/spec/app/controllers/enumeration_spec.rb
+++ b/spec/app/controllers/enumeration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Controller::Enumeration do
   subject(:controller) { described_class.new }
   let(:target_url)     { 'http://wp.lab/' }
diff --git a/spec/app/controllers/password_attack_spec.rb b/spec/app/controllers/password_attack_spec.rb
index b2b524e0..83e85c53 100644
--- a/spec/app/controllers/password_attack_spec.rb
+++ b/spec/app/controllers/password_attack_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Controller::PasswordAttack do
   subject(:controller) { described_class.new }
   let(:target_url)     { 'http://ex.lo/' }
diff --git a/spec/app/controllers/wp_version_spec.rb b/spec/app/controllers/wp_version_spec.rb
index 1d9d0ccc..34ece8ae 100644
--- a/spec/app/controllers/wp_version_spec.rb
+++ b/spec/app/controllers/wp_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 def it_calls_the_formatter_with_the_correct_parameter(version)
   it 'calls the formatter with the correct parameter' do
     expect(controller.formatter).to receive(:output)
diff --git a/spec/app/finders/config_backups/known_filenames_spec.rb b/spec/app/finders/config_backups/known_filenames_spec.rb
index c96d53f4..876f465f 100644
--- a/spec/app/finders/config_backups/known_filenames_spec.rb
+++ b/spec/app/finders/config_backups/known_filenames_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::ConfigBackups::KnownFilenames do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/config_backups_spec.rb b/spec/app/finders/config_backups_spec.rb
index aeeca256..9cb8e6a6 100644
--- a/spec/app/finders/config_backups_spec.rb
+++ b/spec/app/finders/config_backups_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::ConfigBackups::Base do
   subject(:config_backups) { described_class.new(target) }
   let(:target)             { WPScan::Target.new(url) }
diff --git a/spec/app/finders/db_exports/known_locations_spec.rb b/spec/app/finders/db_exports/known_locations_spec.rb
index b6475a23..48979864 100644
--- a/spec/app/finders/db_exports/known_locations_spec.rb
+++ b/spec/app/finders/db_exports/known_locations_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DbExports::KnownLocations do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/db_exports_spec.rb b/spec/app/finders/db_exports_spec.rb
index 1bd5e59b..a469bfdf 100644
--- a/spec/app/finders/db_exports_spec.rb
+++ b/spec/app/finders/db_exports_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DbExports::Base do
   subject(:db_exports) { described_class.new(target) }
   let(:target)         { WPScan::Target.new(url) }
diff --git a/spec/app/finders/interesting_findings/backup_db_spec.rb b/spec/app/finders/interesting_findings/backup_db_spec.rb
index 988b5b0c..412c5871 100644
--- a/spec/app/finders/interesting_findings/backup_db_spec.rb
+++ b/spec/app/finders/interesting_findings/backup_db_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::BackupDB do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/debug_log_spec.rb b/spec/app/finders/interesting_findings/debug_log_spec.rb
index 8568b937..5ddeb294 100644
--- a/spec/app/finders/interesting_findings/debug_log_spec.rb
+++ b/spec/app/finders/interesting_findings/debug_log_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::DebugLog do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/interesting_findings/duplicator_installer_log_spec.rb b/spec/app/finders/interesting_findings/duplicator_installer_log_spec.rb
index d7c8e744..334bb9b3 100644
--- a/spec/app/finders/interesting_findings/duplicator_installer_log_spec.rb
+++ b/spec/app/finders/interesting_findings/duplicator_installer_log_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::DuplicatorInstallerLog do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/emergency_pwd_reset_script_spec.rb b/spec/app/finders/interesting_findings/emergency_pwd_reset_script_spec.rb
index 027116a2..93a20103 100644
--- a/spec/app/finders/interesting_findings/emergency_pwd_reset_script_spec.rb
+++ b/spec/app/finders/interesting_findings/emergency_pwd_reset_script_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::EmergencyPwdResetScript do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/full_path_disclosure_spec.rb b/spec/app/finders/interesting_findings/full_path_disclosure_spec.rb
index cb7520cc..ecd4d79c 100644
--- a/spec/app/finders/interesting_findings/full_path_disclosure_spec.rb
+++ b/spec/app/finders/interesting_findings/full_path_disclosure_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::FullPathDisclosure do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/interesting_findings/mu_plugins_spec.rb b/spec/app/finders/interesting_findings/mu_plugins_spec.rb
index 68d8494a..bf928a96 100644
--- a/spec/app/finders/interesting_findings/mu_plugins_spec.rb
+++ b/spec/app/finders/interesting_findings/mu_plugins_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::MuPlugins do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/multisite_spec.rb b/spec/app/finders/interesting_findings/multisite_spec.rb
index e61bb43e..937ce685 100644
--- a/spec/app/finders/interesting_findings/multisite_spec.rb
+++ b/spec/app/finders/interesting_findings/multisite_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::Multisite do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/readme_spec.rb b/spec/app/finders/interesting_findings/readme_spec.rb
index 27924f6f..01f00daf 100644
--- a/spec/app/finders/interesting_findings/readme_spec.rb
+++ b/spec/app/finders/interesting_findings/readme_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::Readme do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/interesting_findings/registration_spec.rb b/spec/app/finders/interesting_findings/registration_spec.rb
index c3ba0ba3..4603fa2b 100644
--- a/spec/app/finders/interesting_findings/registration_spec.rb
+++ b/spec/app/finders/interesting_findings/registration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::Registration do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/tmm_db_migrate_spec.rb b/spec/app/finders/interesting_findings/tmm_db_migrate_spec.rb
index f1012648..f92a07cb 100644
--- a/spec/app/finders/interesting_findings/tmm_db_migrate_spec.rb
+++ b/spec/app/finders/interesting_findings/tmm_db_migrate_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::TmmDbMigrate do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/upload_direcrory_listing_spec.rb b/spec/app/finders/interesting_findings/upload_direcrory_listing_spec.rb
index 94c5673e..db1cd5c7 100644
--- a/spec/app/finders/interesting_findings/upload_direcrory_listing_spec.rb
+++ b/spec/app/finders/interesting_findings/upload_direcrory_listing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::UploadDirectoryListing do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/upload_sql_dump_spec.rb b/spec/app/finders/interesting_findings/upload_sql_dump_spec.rb
index c12a5a4c..a3316151 100644
--- a/spec/app/finders/interesting_findings/upload_sql_dump_spec.rb
+++ b/spec/app/finders/interesting_findings/upload_sql_dump_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::UploadSQLDump do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/interesting_findings/wp_cron_spec.rb b/spec/app/finders/interesting_findings/wp_cron_spec.rb
index 460a1719..ae361b63 100644
--- a/spec/app/finders/interesting_findings/wp_cron_spec.rb
+++ b/spec/app/finders/interesting_findings/wp_cron_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::WPCron do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/interesting_findings_spec.rb b/spec/app/finders/interesting_findings_spec.rb
index 7548b6b0..79c25066 100644
--- a/spec/app/finders/interesting_findings_spec.rb
+++ b/spec/app/finders/interesting_findings_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::InterestingFindings::Base do
   subject(:files) { described_class.new(target) }
   let(:target)    { WPScan::Target.new(url) }
diff --git a/spec/app/finders/main_theme/css_style_spec.rb b/spec/app/finders/main_theme/css_style_spec.rb
index 5ac2694e..1cf30fb8 100644
--- a/spec/app/finders/main_theme/css_style_spec.rb
+++ b/spec/app/finders/main_theme/css_style_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::MainTheme::CssStyle do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/main_theme/urls_in_homepage_spec.rb b/spec/app/finders/main_theme/urls_in_homepage_spec.rb
index 576cd36a..9f7565f9 100644
--- a/spec/app/finders/main_theme/urls_in_homepage_spec.rb
+++ b/spec/app/finders/main_theme/urls_in_homepage_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::MainTheme::UrlsInHomepage do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/main_theme/woo_framework_meta_generator_spec.rb b/spec/app/finders/main_theme/woo_framework_meta_generator_spec.rb
index 9397a72b..e73d16b8 100644
--- a/spec/app/finders/main_theme/woo_framework_meta_generator_spec.rb
+++ b/spec/app/finders/main_theme/woo_framework_meta_generator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::MainTheme::WooFrameworkMetaGenerator do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/main_theme_spec.rb b/spec/app/finders/main_theme_spec.rb
index 0ab14031..11037430 100644
--- a/spec/app/finders/main_theme_spec.rb
+++ b/spec/app/finders/main_theme_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::MainTheme::Base do
   subject(:main_theme) { described_class.new(target) }
   let(:target)         { WPScan::Target.new(url) }
diff --git a/spec/app/finders/medias/attachment_brute_forcing_spec.rb b/spec/app/finders/medias/attachment_brute_forcing_spec.rb
index 78914c4f..257bc70c 100644
--- a/spec/app/finders/medias/attachment_brute_forcing_spec.rb
+++ b/spec/app/finders/medias/attachment_brute_forcing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Medias::AttachmentBruteForcing do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/medias_spec.rb b/spec/app/finders/medias_spec.rb
index 8b9294e6..7271abb6 100644
--- a/spec/app/finders/medias_spec.rb
+++ b/spec/app/finders/medias_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Medias::Base do
   subject(:media) { described_class.new(target) }
   let(:target)    { WPScan::Target.new(url) }
diff --git a/spec/app/finders/plugin_version/readme_spec.rb b/spec/app/finders/plugin_version/readme_spec.rb
index c35f9565..bc6ad23b 100644
--- a/spec/app/finders/plugin_version/readme_spec.rb
+++ b/spec/app/finders/plugin_version/readme_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::PluginVersion::Readme do
   subject(:finder) { described_class.new(plugin) }
   let(:plugin)     { WPScan::Model::Plugin.new('spec', target) }
diff --git a/spec/app/finders/plugin_version_spec.rb b/spec/app/finders/plugin_version_spec.rb
index 6cf45548..66688ae1 100644
--- a/spec/app/finders/plugin_version_spec.rb
+++ b/spec/app/finders/plugin_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # If this file is tested alone (rspec path-to-this-file), then there will be an error about
 # constants not being intilialized. This is due to the Dynamic Finders.
 
diff --git a/spec/app/finders/plugins/body_pattern_spec.rb b/spec/app/finders/plugins/body_pattern_spec.rb
index 396ee7d7..7921c78b 100644
--- a/spec/app/finders/plugins/body_pattern_spec.rb
+++ b/spec/app/finders/plugins/body_pattern_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::BodyPattern do
   it_behaves_like WPScan::Finders::DynamicFinder::WpItems::Finder do
     subject(:finder) { described_class.new(target) }
diff --git a/spec/app/finders/plugins/comment_spec.rb b/spec/app/finders/plugins/comment_spec.rb
index ec64d135..d7343d80 100644
--- a/spec/app/finders/plugins/comment_spec.rb
+++ b/spec/app/finders/plugins/comment_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::Comment do
   it_behaves_like WPScan::Finders::DynamicFinder::WpItems::Finder do
     subject(:finder) { described_class.new(target) }
diff --git a/spec/app/finders/plugins/config_parser_spec.rb b/spec/app/finders/plugins/config_parser_spec.rb
index 956c98af..236728cc 100644
--- a/spec/app/finders/plugins/config_parser_spec.rb
+++ b/spec/app/finders/plugins/config_parser_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::ConfigParser do
   xit
 
diff --git a/spec/app/finders/plugins/header_pattern_spec.rb b/spec/app/finders/plugins/header_pattern_spec.rb
index 51dd483f..d5383a5c 100644
--- a/spec/app/finders/plugins/header_pattern_spec.rb
+++ b/spec/app/finders/plugins/header_pattern_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::HeaderPattern do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/plugins/javascript_var_spec.rb b/spec/app/finders/plugins/javascript_var_spec.rb
index 30963627..13017f51 100644
--- a/spec/app/finders/plugins/javascript_var_spec.rb
+++ b/spec/app/finders/plugins/javascript_var_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::JavascriptVar do
   it_behaves_like WPScan::Finders::DynamicFinder::WpItems::Finder do
     subject(:finder) { described_class.new(target) }
diff --git a/spec/app/finders/plugins/known_locations_spec.rb b/spec/app/finders/plugins/known_locations_spec.rb
index 33e3816b..5dc4e5c9 100644
--- a/spec/app/finders/plugins/known_locations_spec.rb
+++ b/spec/app/finders/plugins/known_locations_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::KnownLocations do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/plugins/query_parameter_spec.rb b/spec/app/finders/plugins/query_parameter_spec.rb
index 410cf5fc..369ce1e5 100644
--- a/spec/app/finders/plugins/query_parameter_spec.rb
+++ b/spec/app/finders/plugins/query_parameter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::QueryParameter do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/plugins/urls_in_homepage_spec.rb b/spec/app/finders/plugins/urls_in_homepage_spec.rb
index 26a52f86..1d25f3bd 100644
--- a/spec/app/finders/plugins/urls_in_homepage_spec.rb
+++ b/spec/app/finders/plugins/urls_in_homepage_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::UrlsInHomepage do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/plugins/xpath_spec.rb b/spec/app/finders/plugins/xpath_spec.rb
index 80a2037a..af69c376 100644
--- a/spec/app/finders/plugins/xpath_spec.rb
+++ b/spec/app/finders/plugins/xpath_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::Xpath do
   it_behaves_like WPScan::Finders::DynamicFinder::WpItems::Finder do
     subject(:finder)   { described_class.new(target) }
diff --git a/spec/app/finders/plugins_spec.rb b/spec/app/finders/plugins_spec.rb
index 89619fdc..fea6b1b5 100644
--- a/spec/app/finders/plugins_spec.rb
+++ b/spec/app/finders/plugins_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Plugins::Base do
   subject(:plugins) { described_class.new(target) }
   let(:target)      { WPScan::Target.new(url) }
diff --git a/spec/app/finders/theme_version/style_spec.rb b/spec/app/finders/theme_version/style_spec.rb
index 349a8fed..0dd03128 100644
--- a/spec/app/finders/theme_version/style_spec.rb
+++ b/spec/app/finders/theme_version/style_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::ThemeVersion::Style do
   subject(:finder) { described_class.new(theme) }
   let(:theme)      { WPScan::Model::Theme.new('spec', target) }
diff --git a/spec/app/finders/theme_version/woo_framework_meta_generator_spec.rb b/spec/app/finders/theme_version/woo_framework_meta_generator_spec.rb
index 7fe7e63c..d20ce6c8 100644
--- a/spec/app/finders/theme_version/woo_framework_meta_generator_spec.rb
+++ b/spec/app/finders/theme_version/woo_framework_meta_generator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::ThemeVersion::WooFrameworkMetaGenerator do
   subject(:finder) { described_class.new(theme) }
   let(:theme)      { WPScan::Model::Theme.new(slug, target) }
diff --git a/spec/app/finders/theme_version_spec.rb b/spec/app/finders/theme_version_spec.rb
index 823266ac..18a3f0fa 100644
--- a/spec/app/finders/theme_version_spec.rb
+++ b/spec/app/finders/theme_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::ThemeVersion::Base do
   subject(:theme_version) { described_class.new(theme) }
   let(:theme)             { WPScan::Model::Plugin.new(slug, target) }
diff --git a/spec/app/finders/themes/known_locations_spec.rb b/spec/app/finders/themes/known_locations_spec.rb
index 58bba7b7..d559ba5e 100644
--- a/spec/app/finders/themes/known_locations_spec.rb
+++ b/spec/app/finders/themes/known_locations_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Themes::KnownLocations do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/themes/urls_in_homepage_spec.rb b/spec/app/finders/themes/urls_in_homepage_spec.rb
index 85c5d6f7..bc175f61 100644
--- a/spec/app/finders/themes/urls_in_homepage_spec.rb
+++ b/spec/app/finders/themes/urls_in_homepage_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Themes::UrlsInHomepage do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/themes_spec.rb b/spec/app/finders/themes_spec.rb
index 436922e1..7b033c57 100644
--- a/spec/app/finders/themes_spec.rb
+++ b/spec/app/finders/themes_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Themes::Base do
   subject(:themes) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/timthumb_version/bad_request_spec.rb b/spec/app/finders/timthumb_version/bad_request_spec.rb
index 3e2e15ee..905f6bb2 100644
--- a/spec/app/finders/timthumb_version/bad_request_spec.rb
+++ b/spec/app/finders/timthumb_version/bad_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::TimthumbVersion::BadRequest do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Model::Timthumb.new(url) }
diff --git a/spec/app/finders/timthumb_version_spec.rb b/spec/app/finders/timthumb_version_spec.rb
index cfd7cff5..e59b8a70 100644
--- a/spec/app/finders/timthumb_version_spec.rb
+++ b/spec/app/finders/timthumb_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::TimthumbVersion::Base do
   subject(:timthumb_version) { described_class.new(target) }
   let(:target)               { WPScan::Model::Timthumb.new(url) }
diff --git a/spec/app/finders/timthumbs/known_locations_spec.rb b/spec/app/finders/timthumbs/known_locations_spec.rb
index 3eb08e8e..ddc96068 100644
--- a/spec/app/finders/timthumbs/known_locations_spec.rb
+++ b/spec/app/finders/timthumbs/known_locations_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Timthumbs::KnownLocations do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/timthumbs_spec.rb b/spec/app/finders/timthumbs_spec.rb
index b818be1b..2fb9763d 100644
--- a/spec/app/finders/timthumbs_spec.rb
+++ b/spec/app/finders/timthumbs_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Timthumbs::Base do
   subject(:timthumb) { described_class.new(target) }
   let(:target)       { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users/author_id_brute_forcing_spec.rb b/spec/app/finders/users/author_id_brute_forcing_spec.rb
index e6325b63..e1b9de24 100644
--- a/spec/app/finders/users/author_id_brute_forcing_spec.rb
+++ b/spec/app/finders/users/author_id_brute_forcing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::AuthorIdBruteForcing do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users/author_posts_spec.rb b/spec/app/finders/users/author_posts_spec.rb
index 6327cbfb..4bca4e3f 100644
--- a/spec/app/finders/users/author_posts_spec.rb
+++ b/spec/app/finders/users/author_posts_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::AuthorPosts do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users/login_error_messages_spec.rb b/spec/app/finders/users/login_error_messages_spec.rb
index badb5cae..3cd0d720 100644
--- a/spec/app/finders/users/login_error_messages_spec.rb
+++ b/spec/app/finders/users/login_error_messages_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::LoginErrorMessages do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users/oembed_api_spec.rb b/spec/app/finders/users/oembed_api_spec.rb
index d9a5a208..355408bf 100644
--- a/spec/app/finders/users/oembed_api_spec.rb
+++ b/spec/app/finders/users/oembed_api_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::OembedApi do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users/rss_generator_spec.rb b/spec/app/finders/users/rss_generator_spec.rb
index 5caaa4e5..cc83cec9 100644
--- a/spec/app/finders/users/rss_generator_spec.rb
+++ b/spec/app/finders/users/rss_generator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::RSSGenerator do
   subject(:finder)  { described_class.new(target) }
   let(:target)      { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users/wp_json_api_spec.rb b/spec/app/finders/users/wp_json_api_spec.rb
index 6f7e2cb4..b3c00838 100644
--- a/spec/app/finders/users/wp_json_api_spec.rb
+++ b/spec/app/finders/users/wp_json_api_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::WpJsonApi do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users/yoast_seo_author_sitemap_spec.rb b/spec/app/finders/users/yoast_seo_author_sitemap_spec.rb
index 789068c7..8bc2fb3b 100644
--- a/spec/app/finders/users/yoast_seo_author_sitemap_spec.rb
+++ b/spec/app/finders/users/yoast_seo_author_sitemap_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::YoastSeoAuthorSitemap do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url) }
diff --git a/spec/app/finders/users_spec.rb b/spec/app/finders/users_spec.rb
index 8890345e..b23b7f40 100644
--- a/spec/app/finders/users_spec.rb
+++ b/spec/app/finders/users_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Users::Base do
   subject(:user) { described_class.new(target) }
   let(:target)   { WPScan::Target.new(url) }
diff --git a/spec/app/finders/wp_version/atom_generator_spec.rb b/spec/app/finders/wp_version/atom_generator_spec.rb
index 5c33234f..c46cf545 100644
--- a/spec/app/finders/wp_version/atom_generator_spec.rb
+++ b/spec/app/finders/wp_version/atom_generator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::WpVersion::AtomGenerator do
   subject(:finder)   { described_class.new(target) }
   let(:target)       { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/wp_version/rdf_generator_spec.rb b/spec/app/finders/wp_version/rdf_generator_spec.rb
index ac4190ae..7af0e95c 100644
--- a/spec/app/finders/wp_version/rdf_generator_spec.rb
+++ b/spec/app/finders/wp_version/rdf_generator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::WpVersion::RDFGenerator do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/wp_version/readme_spec.rb b/spec/app/finders/wp_version/readme_spec.rb
index eff86c26..f1a37ffe 100644
--- a/spec/app/finders/wp_version/readme_spec.rb
+++ b/spec/app/finders/wp_version/readme_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::WpVersion::Readme do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/wp_version/rss_generator_spec.rb b/spec/app/finders/wp_version/rss_generator_spec.rb
index 19c4327e..767da47a 100644
--- a/spec/app/finders/wp_version/rss_generator_spec.rb
+++ b/spec/app/finders/wp_version/rss_generator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::WpVersion::RSSGenerator do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/wp_version/unique_fingerprinting_spec.rb b/spec/app/finders/wp_version/unique_fingerprinting_spec.rb
index 7a3066b4..c310e33e 100644
--- a/spec/app/finders/wp_version/unique_fingerprinting_spec.rb
+++ b/spec/app/finders/wp_version/unique_fingerprinting_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::WpVersion::UniqueFingerprinting do
   subject(:finder) { described_class.new(target) }
   let(:target)     { WPScan::Target.new(url).extend(CMSScanner::Target::Server::Apache) }
diff --git a/spec/app/finders/wp_version_spec.rb b/spec/app/finders/wp_version_spec.rb
index be367fc1..9739d5e3 100644
--- a/spec/app/finders/wp_version_spec.rb
+++ b/spec/app/finders/wp_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # If this file is tested alone (rspec path-to-this-file), then there will be an error about
 # constants not being intilialized. This is due to the Dynamic Finders.
 
diff --git a/spec/app/models/interesting_finding_spec.rb b/spec/app/models/interesting_finding_spec.rb
index 4afd239a..4d65402a 100644
--- a/spec/app/models/interesting_finding_spec.rb
+++ b/spec/app/models/interesting_finding_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::InterestingFinding do
   it_behaves_like WPScan::References do
     subject(:finding) { described_class.new('http://e.org/file.php', opts) }
diff --git a/spec/app/models/media_spec.rb b/spec/app/models/media_spec.rb
index 252a97c3..21c80a81 100644
--- a/spec/app/models/media_spec.rb
+++ b/spec/app/models/media_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Media do
   subject(:media) { described_class.new(url) }
   let(:url)       { 'http://e.oeg/?attachment_id=2' }
diff --git a/spec/app/models/plugin_spec.rb b/spec/app/models/plugin_spec.rb
index a95fc56a..dc2313ed 100644
--- a/spec/app/models/plugin_spec.rb
+++ b/spec/app/models/plugin_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Plugin do
   subject(:plugin) { described_class.new(slug, blog, opts) }
   let(:slug)       { 'spec' }
diff --git a/spec/app/models/theme_spec.rb b/spec/app/models/theme_spec.rb
index c648ac57..4d573bd1 100644
--- a/spec/app/models/theme_spec.rb
+++ b/spec/app/models/theme_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Theme do
   subject(:theme)  { described_class.new(slug, blog, opts) }
   let(:slug)       { 'spec' }
diff --git a/spec/app/models/timthumb_spec.rb b/spec/app/models/timthumb_spec.rb
index e1f3ba90..5c65be21 100644
--- a/spec/app/models/timthumb_spec.rb
+++ b/spec/app/models/timthumb_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::Timthumb do
   subject(:timthumb) { described_class.new(url, opts) }
   let(:url)          { 'http://wp.lab/wp-content/timthumb.php' }
diff --git a/spec/app/models/wp_item_spec.rb b/spec/app/models/wp_item_spec.rb
index 8566eee0..573f9fc3 100644
--- a/spec/app/models/wp_item_spec.rb
+++ b/spec/app/models/wp_item_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::WpItem do
   subject(:wp_item)  { described_class.new(slug, blog, opts) }
   let(:slug)         { 'test_item' }
diff --git a/spec/app/models/wp_version_spec.rb b/spec/app/models/wp_version_spec.rb
index ffcabca2..2945b533 100644
--- a/spec/app/models/wp_version_spec.rb
+++ b/spec/app/models/wp_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::WpVersion do
   describe '#new' do
     context 'when invalid number' do
diff --git a/spec/app/models/xml_rpc_spec.rb b/spec/app/models/xml_rpc_spec.rb
index 460db1c4..86821fb7 100644
--- a/spec/app/models/xml_rpc_spec.rb
+++ b/spec/app/models/xml_rpc_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Model::XMLRPC do
   subject(:xml_rpc) { described_class.new('http//e.org/xmlrpc.php') }
 
diff --git a/spec/app/views_spec.rb b/spec/app/views_spec.rb
index 16908773..e5cd9b9d 100644
--- a/spec/app/views_spec.rb
+++ b/spec/app/views_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe 'App::Views' do
   let(:target_url) { 'http://ex.lo/' }
   let(:target)     { WPScan::Target.new(target_url) }
diff --git a/spec/lib/browser_spec.rb b/spec/lib/browser_spec.rb
index 931c9ca0..2941967d 100644
--- a/spec/lib/browser_spec.rb
+++ b/spec/lib/browser_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Browser do
   subject(:browser) { described_class.instance(options) }
   before            { described_class.reset }
diff --git a/spec/lib/db/dynamic_finders/base_spec.rb b/spec/lib/db/dynamic_finders/base_spec.rb
index 62b49481..b50677fe 100644
--- a/spec/lib/db/dynamic_finders/base_spec.rb
+++ b/spec/lib/db/dynamic_finders/base_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::DynamicFinders::Base do
   subject(:dynamic_finders) { described_class }
 
diff --git a/spec/lib/db/dynamic_finders/plugin_spec.rb b/spec/lib/db/dynamic_finders/plugin_spec.rb
index 449739ff..91baa5ee 100644
--- a/spec/lib/db/dynamic_finders/plugin_spec.rb
+++ b/spec/lib/db/dynamic_finders/plugin_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::DynamicFinders::Plugin do
   subject(:dynamic_finders) { described_class }
 
diff --git a/spec/lib/db/dynamic_finders/theme_spec.rb b/spec/lib/db/dynamic_finders/theme_spec.rb
index f67f7db4..0950b144 100644
--- a/spec/lib/db/dynamic_finders/theme_spec.rb
+++ b/spec/lib/db/dynamic_finders/theme_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::DynamicFinders::Theme do
   subject(:dynamic_finders) { described_class }
 
diff --git a/spec/lib/db/dynamic_finders/wordpress_spec.rb b/spec/lib/db/dynamic_finders/wordpress_spec.rb
index 3d168f34..c06747a5 100644
--- a/spec/lib/db/dynamic_finders/wordpress_spec.rb
+++ b/spec/lib/db/dynamic_finders/wordpress_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::DynamicFinders::Wordpress do
   subject(:dynamic_finders) { described_class }
 
diff --git a/spec/lib/db/fingerprints_spec.rb b/spec/lib/db/fingerprints_spec.rb
index 1777cca6..3d7283a5 100644
--- a/spec/lib/db/fingerprints_spec.rb
+++ b/spec/lib/db/fingerprints_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::Fingerprints do
   describe '#unique_fingerprints' do
     # Handled in #wp_unique_fingerprints
diff --git a/spec/lib/db/plugin_spec.rb b/spec/lib/db/plugin_spec.rb
index 153da73d..c700fb18 100644
--- a/spec/lib/db/plugin_spec.rb
+++ b/spec/lib/db/plugin_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::Plugin do
   describe '#vulnerabilities' do
     # Handled in spec/app/models/plugin_spec
diff --git a/spec/lib/db/plugins_spec.rb b/spec/lib/db/plugins_spec.rb
index a172ffdb..7838c7b2 100644
--- a/spec/lib/db/plugins_spec.rb
+++ b/spec/lib/db/plugins_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::Plugins do
   subject(:plugins) { described_class }
 
diff --git a/spec/lib/db/theme_spec.rb b/spec/lib/db/theme_spec.rb
index b4c74802..cd42d071 100644
--- a/spec/lib/db/theme_spec.rb
+++ b/spec/lib/db/theme_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::Theme do
   describe '#vulnerabilities' do
     # Handled in spec/app/models/theme_spec
diff --git a/spec/lib/db/themes_spec.rb b/spec/lib/db/themes_spec.rb
index c67c3d6b..d97c5c2a 100644
--- a/spec/lib/db/themes_spec.rb
+++ b/spec/lib/db/themes_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::Themes do
   subject(:themes) { described_class }
 
diff --git a/spec/lib/db/wp_item_spec.rb b/spec/lib/db/wp_item_spec.rb
index de038d61..3420549e 100644
--- a/spec/lib/db/wp_item_spec.rb
+++ b/spec/lib/db/wp_item_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::WpItem do
   describe '#vulnerabilities' do
     # Handled in spec/app/models/plugin_spec
diff --git a/spec/lib/db/wp_items_spec.rb b/spec/lib/db/wp_items_spec.rb
index 20fa3157..a1ed7ceb 100644
--- a/spec/lib/db/wp_items_spec.rb
+++ b/spec/lib/db/wp_items_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::WpItems do
   # Handled in plugins_spec & themes_spec
 end
diff --git a/spec/lib/db/wp_version_spec.rb b/spec/lib/db/wp_version_spec.rb
index 4b32fb2d..6439474e 100644
--- a/spec/lib/db/wp_version_spec.rb
+++ b/spec/lib/db/wp_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::DB::Version do
   describe '#vulnerabilities' do
     # Handled in spec/app/models/wp_version_spec
diff --git a/spec/lib/finders/dynamic_finder/plugin_version_spec.rb b/spec/lib/finders/dynamic_finder/plugin_version_spec.rb
index 90976910..bf68fd87 100644
--- a/spec/lib/finders/dynamic_finder/plugin_version_spec.rb
+++ b/spec/lib/finders/dynamic_finder/plugin_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # All Plugin Dynamic Finders returning a Version are tested here.
 # When adding one to the spec/fixtures/db/dynamic_finder.yml, a few files have
 # to be edited/created
diff --git a/spec/lib/finders/dynamic_finder/version/body_pattern_spec.rb b/spec/lib/finders/dynamic_finder/version/body_pattern_spec.rb
index 629cffe9..2256ee2d 100644
--- a/spec/lib/finders/dynamic_finder/version/body_pattern_spec.rb
+++ b/spec/lib/finders/dynamic_finder/version/body_pattern_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::Version::BodyPattern do
   module WPScan
     module Finders
diff --git a/spec/lib/finders/dynamic_finder/version/comment_spec.rb b/spec/lib/finders/dynamic_finder/version/comment_spec.rb
index 9a1dad77..5c62ad19 100644
--- a/spec/lib/finders/dynamic_finder/version/comment_spec.rb
+++ b/spec/lib/finders/dynamic_finder/version/comment_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::Version::Comment do
   module WPScan
     module Finders
diff --git a/spec/lib/finders/dynamic_finder/version/config_parser_spec.rb b/spec/lib/finders/dynamic_finder/version/config_parser_spec.rb
index e271e5a9..777ba40b 100644
--- a/spec/lib/finders/dynamic_finder/version/config_parser_spec.rb
+++ b/spec/lib/finders/dynamic_finder/version/config_parser_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::Version::ConfigParser do
   module WPScan
     module Finders
diff --git a/spec/lib/finders/dynamic_finder/version/header_pattern_spec.rb b/spec/lib/finders/dynamic_finder/version/header_pattern_spec.rb
index 93710719..af7ee206 100644
--- a/spec/lib/finders/dynamic_finder/version/header_pattern_spec.rb
+++ b/spec/lib/finders/dynamic_finder/version/header_pattern_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::Version::HeaderPattern do
   module WPScan
     module Finders
diff --git a/spec/lib/finders/dynamic_finder/version/javascript_var_spec.rb b/spec/lib/finders/dynamic_finder/version/javascript_var_spec.rb
index d6b8d257..4ea1ae49 100644
--- a/spec/lib/finders/dynamic_finder/version/javascript_var_spec.rb
+++ b/spec/lib/finders/dynamic_finder/version/javascript_var_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::Version::JavascriptVar do
   module WPScan
     module Finders
diff --git a/spec/lib/finders/dynamic_finder/version/query_parameter_spec.rb b/spec/lib/finders/dynamic_finder/version/query_parameter_spec.rb
index d9703940..832fad2a 100644
--- a/spec/lib/finders/dynamic_finder/version/query_parameter_spec.rb
+++ b/spec/lib/finders/dynamic_finder/version/query_parameter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::Version::QueryParameter do
   module WPScan
     module Finders
diff --git a/spec/lib/finders/dynamic_finder/version/xpath_spec.rb b/spec/lib/finders/dynamic_finder/version/xpath_spec.rb
index e5d6429f..e458548e 100644
--- a/spec/lib/finders/dynamic_finder/version/xpath_spec.rb
+++ b/spec/lib/finders/dynamic_finder/version/xpath_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::Version::Xpath do
   module WPScan
     module Finders
diff --git a/spec/lib/finders/dynamic_finder/wp_items/finder_spec.rb b/spec/lib/finders/dynamic_finder/wp_items/finder_spec.rb
index 8d8c8650..59266f79 100644
--- a/spec/lib/finders/dynamic_finder/wp_items/finder_spec.rb
+++ b/spec/lib/finders/dynamic_finder/wp_items/finder_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::DynamicFinder::WpItems::Finder do
   # Handled in spec/shared_examples/dynamic_finders/wp_items.rb
 end
diff --git a/spec/lib/finders/dynamic_finder/wp_version_spec.rb b/spec/lib/finders/dynamic_finder/wp_version_spec.rb
index 8dbbbffa..1a7f5fd4 100644
--- a/spec/lib/finders/dynamic_finder/wp_version_spec.rb
+++ b/spec/lib/finders/dynamic_finder/wp_version_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 expected_all = df_expected_all['wordpress']
 
 WPScan::DB::DynamicFinders::Wordpress.create_versions_finders
diff --git a/spec/lib/finders/finder/wp_version/smart_url_checker_spec.rb b/spec/lib/finders/finder/wp_version/smart_url_checker_spec.rb
index d8fe60ab..19ef9426 100644
--- a/spec/lib/finders/finder/wp_version/smart_url_checker_spec.rb
+++ b/spec/lib/finders/finder/wp_version/smart_url_checker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Finders::Finder::WpVersion::SmartURLChecker do
   xit
 end
diff --git a/spec/lib/target_spec.rb b/spec/lib/target_spec.rb
index 07c91e3a..e03ef838 100644
--- a/spec/lib/target_spec.rb
+++ b/spec/lib/target_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Target do
   subject(:target) { described_class.new(url) }
   let(:url)        { 'http://ex.lo' }
diff --git a/spec/lib/vulnerability_spec.rb b/spec/lib/vulnerability_spec.rb
index f4812d6b..18a61494 100644
--- a/spec/lib/vulnerability_spec.rb
+++ b/spec/lib/vulnerability_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan::Vulnerability do
   subject(:vuln)   { described_class.new(title, references) }
   let(:title)      { 'Test Vuln' }
diff --git a/spec/lib/wpscan_spec.rb b/spec/lib/wpscan_spec.rb
index e4321993..02af6ddd 100644
--- a/spec/lib/wpscan_spec.rb
+++ b/spec/lib/wpscan_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 describe WPScan do
   it 'has a version number' do
     expect(WPScan::VERSION).not_to be nil
diff --git a/spec/shared_examples.rb b/spec/shared_examples.rb
index 4cef8151..8c8636ea 100644
--- a/spec/shared_examples.rb
+++ b/spec/shared_examples.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'shared_examples/views/wp_version'
 require 'shared_examples/views/main_theme'
 require 'shared_examples/views/enumeration'
diff --git a/spec/shared_examples/dynamic_finders/wp_items.rb b/spec/shared_examples/dynamic_finders/wp_items.rb
index 143469c9..50241955 100644
--- a/spec/shared_examples/dynamic_finders/wp_items.rb
+++ b/spec/shared_examples/dynamic_finders/wp_items.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples WPScan::Finders::DynamicFinder::WpItems::Finder do
   let(:passive_fixture) do
     fixtures.join("#{described_class.to_s.demodulize.underscore}_passive_all.html")
diff --git a/spec/shared_examples/finders/wp_items/urls_in_homepage.rb b/spec/shared_examples/finders/wp_items/urls_in_homepage.rb
index 66b7abd5..d2b934c1 100644
--- a/spec/shared_examples/finders/wp_items/urls_in_homepage.rb
+++ b/spec/shared_examples/finders/wp_items/urls_in_homepage.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Finders::WpItems::URLsInHomepage' do
   before do
     stub_request(:get, finder.target.url).to_return(body: File.read(fixtures.join(file)))
diff --git a/spec/shared_examples/references.rb b/spec/shared_examples/references.rb
index 5b0285c9..91670938 100644
--- a/spec/shared_examples/references.rb
+++ b/spec/shared_examples/references.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples WPScan::References do
   describe '#references_keys' do
     it 'contains the :wpvulndb symbol' do
diff --git a/spec/shared_examples/target/platform/wordpress.rb b/spec/shared_examples/target/platform/wordpress.rb
index ad867060..325c04a8 100644
--- a/spec/shared_examples/target/platform/wordpress.rb
+++ b/spec/shared_examples/target/platform/wordpress.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'wordpress/custom_directories'
 
 shared_examples WPScan::Target::Platform::WordPress do
diff --git a/spec/shared_examples/target/platform/wordpress/custom_directories.rb b/spec/shared_examples/target/platform/wordpress/custom_directories.rb
index 9d4cfe67..fad08e3b 100644
--- a/spec/shared_examples/target/platform/wordpress/custom_directories.rb
+++ b/spec/shared_examples/target/platform/wordpress/custom_directories.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'WordPress::CustomDirectories' do
   let(:fixtures) { super().join('custom_directories') }
 
diff --git a/spec/shared_examples/views/enumeration.rb b/spec/shared_examples/views/enumeration.rb
index 12a65bc3..3b20391f 100644
--- a/spec/shared_examples/views/enumeration.rb
+++ b/spec/shared_examples/views/enumeration.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative 'enumeration/users'
 require_relative 'enumeration/medias'
 require_relative 'enumeration/themes'
diff --git a/spec/shared_examples/views/enumeration/config_backups.rb b/spec/shared_examples/views/enumeration/config_backups.rb
index 0204685d..7243ed37 100644
--- a/spec/shared_examples/views/enumeration/config_backups.rb
+++ b/spec/shared_examples/views/enumeration/config_backups.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::Enumeration::ConfigBackups' do
   let(:view)          { 'config_backups' }
   let(:config_backup) { WPScan::Model::ConfigBackup }
diff --git a/spec/shared_examples/views/enumeration/db_exports.rb b/spec/shared_examples/views/enumeration/db_exports.rb
index 1d79c806..5c6d9cf5 100644
--- a/spec/shared_examples/views/enumeration/db_exports.rb
+++ b/spec/shared_examples/views/enumeration/db_exports.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::Enumeration::DbExports' do
   let(:view)      { 'db_exports' }
   let(:db_export) { WPScan::Model::DbExport }
diff --git a/spec/shared_examples/views/enumeration/medias.rb b/spec/shared_examples/views/enumeration/medias.rb
index ee481465..9b1fc12d 100644
--- a/spec/shared_examples/views/enumeration/medias.rb
+++ b/spec/shared_examples/views/enumeration/medias.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::Enumeration::Medias' do
   let(:view)  { 'medias' }
   let(:media) { WPScan::Model::Media }
diff --git a/spec/shared_examples/views/enumeration/plugins.rb b/spec/shared_examples/views/enumeration/plugins.rb
index 07963c00..e3e4ebea 100644
--- a/spec/shared_examples/views/enumeration/plugins.rb
+++ b/spec/shared_examples/views/enumeration/plugins.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::Enumeration::Plugins' do
   let(:view)   { 'plugins' }
   let(:plugin) { WPScan::Model::Plugin }
diff --git a/spec/shared_examples/views/enumeration/themes.rb b/spec/shared_examples/views/enumeration/themes.rb
index 8c32e900..6e663e03 100644
--- a/spec/shared_examples/views/enumeration/themes.rb
+++ b/spec/shared_examples/views/enumeration/themes.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::Enumeration::Themes' do
   let(:view)   { 'themes' }
   let(:plugin) { WPScan::Model::Theme }
diff --git a/spec/shared_examples/views/enumeration/timthumbs.rb b/spec/shared_examples/views/enumeration/timthumbs.rb
index 1a5f6629..bfb59d1e 100644
--- a/spec/shared_examples/views/enumeration/timthumbs.rb
+++ b/spec/shared_examples/views/enumeration/timthumbs.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::Enumeration::Timthumbs' do
   let(:view)     { 'timthumbs' }
   let(:timthumb) { WPScan::Model::Timthumb }
diff --git a/spec/shared_examples/views/enumeration/users.rb b/spec/shared_examples/views/enumeration/users.rb
index ec9301e3..13436c03 100644
--- a/spec/shared_examples/views/enumeration/users.rb
+++ b/spec/shared_examples/views/enumeration/users.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::Enumeration::Users' do
   let(:view)  { 'users' }
   let(:user)  { WPScan::Model::User }
diff --git a/spec/shared_examples/views/main_theme.rb b/spec/shared_examples/views/main_theme.rb
index 7f967ddc..901db775 100644
--- a/spec/shared_examples/views/main_theme.rb
+++ b/spec/shared_examples/views/main_theme.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::MainTheme' do
   let(:controller) { WPScan::Controller::MainTheme.new }
   let(:tpl_vars)   { { url: target_url } }
diff --git a/spec/shared_examples/views/wp_version.rb b/spec/shared_examples/views/wp_version.rb
index d9d38967..93b416ff 100644
--- a/spec/shared_examples/views/wp_version.rb
+++ b/spec/shared_examples/views/wp_version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 shared_examples 'App::Views::WpVersion' do
   let(:controller) { WPScan::Controller::WpVersion.new }
   let(:tpl_vars)   { { url: target_url } }
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 2b740563..6dc92641 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
 require 'simplecov' # Used filters are in /.simplecov