diff --git a/spec/fixtures/db/dynamic_finders.yml b/spec/fixtures/db/dynamic_finders.yml
index 8b82a08b..ad061f56 100644
--- a/spec/fixtures/db/dynamic_finders.yml
+++ b/spec/fixtures/db/dynamic_finders.yml
@@ -40,6 +40,11 @@ wordpress:
     path: wp-links-opml.php
     pattern: !ruby/regexp /\Agenerator="wordpress\/(?<v>\d+\.[\.\d]+)"\z/i
     version: true
+  PixelCodeJavascript:
+    class: JavascriptVar
+    xpath: //script[not(@src) and contains(., "fbq")]
+    pattern: !ruby/regexp /wordpress\-(?<v>\d+\.[\.\d]+)\-/i
+    version: true
   MostCommonWpIncludesQueryParameterInHomepage:
     class: QueryParameter
     xpath: //link[contains(@href,"wp-includes/")]/@href|//script[contains(@src,"wp-includes/")]/@src
diff --git a/spec/fixtures/dynamic_finders/expected.yml b/spec/fixtures/dynamic_finders/expected.yml
index a9da7709..6a404112 100644
--- a/spec/fixtures/dynamic_finders/expected.yml
+++ b/spec/fixtures/dynamic_finders/expected.yml
@@ -41,6 +41,11 @@ wordpress:
     found_by: Opml Generator (Aggressive Detection)
     interesting_entries:
     - 'http://wp.lab/wp-links-opml.php, Match: ''generator="WordPress/4.0"'''
+  PixelCodeJavascript:
+    number: 4.0
+    found_by: Pixel Code Javascript (Passive Detection)
+    interesting_entries:
+    - 'http://wp.lab/, Match: ''wordpress-4.0-'''
   MostCommonWpIncludesQueryParameterInHomepage:
     number: 3.8.1
     found_by: Most Common Wp Includes Query Parameter In Homepage (Passive Detection)
diff --git a/spec/fixtures/dynamic_finders/wp_version/javascript_var_passive_all.html b/spec/fixtures/dynamic_finders/wp_version/javascript_var_passive_all.html
index 7019ca31..c991412c 100644
--- a/spec/fixtures/dynamic_finders/wp_version/javascript_var_passive_all.html
+++ b/spec/fixtures/dynamic_finders/wp_version/javascript_var_passive_all.html
@@ -179,3 +179,18 @@ tvc_smd={"tvc_wcv":"3.5.7","tvc_wpv":"3.8.1","tvc_eev":"2.1.6","tvc_cnf":{"t_ee"
   ga( 'limelightTracker.set', 'userId', ':' );
   ga( 'limelightTracker.send', 'pageview' );
 </script>
+
+
+<!--
+  unknown plugin/s, seems like a snippet of code from Pixel Code which
+  is included in some plugins. See https://github.com/wpscanteam/wpscan/issues/1320
+-->
+<script type='text/javascript'>
+  fbq('init', 'xxxx', [], {
+    "agent": "wordpress-4.0-1.7.25"
+});
+</script><script type='text/javascript'>
+  fbq('track', 'PageView', []);
+</script>
+
+