Prevent parent theme infinite loop

lib/common/models/wp_theme/childtheme.rb

@@ -3,6 +3,10 @@
 class WpTheme < WpItem
   module Childtheme
 
+    def parent_theme_limit
+      3
+    end
+
     def is_child_theme?
       return true unless @theme_template.nil?
       false

wpscan.rb

@@ -222,7 +222,10 @@ def main
       wp_theme.output(wpscan_options.verbose)
 
       # Check for parent Themes
-      while wp_theme.is_child_theme?
+      parent_theme_count = 0
+      while wp_theme.is_child_theme? && parent_theme_count <= wp_theme.parent_theme_limit
+        parent_theme_count += 1
+
         parent = wp_theme.get_parent_theme
         puts
         puts "#{info('[+]')} Detected parent theme: #{parent}"