Fixes incorrect detection of the FDP data

lib/wpscan/wp_target/wp_full_path_disclosure.rb

@@ -2,24 +2,21 @@
 
 class WpTarget < WebSite
   module WpFullPathDisclosure
-
     # Check for Full Path Disclosure (FPD)
     #
     # @return [ Boolean ]
     def has_full_path_disclosure?
-      response = Browser.get(full_path_disclosure_url)
-      response.body[%r{Fatal error}i] ? true : false
+      Browser.get(full_path_disclosure_url).body[%r/Fatal error/i] ? true : false
     end
 
     def full_path_disclosure_data
       return nil unless has_full_path_disclosure?
-      Browser.get(full_path_disclosure_url).body[%r{<b>([^<]+\.php)</b>}, 1]
+      Browser.get(full_path_disclosure_url).body[/Fatal error:.+? in (.+?) on/i, 1]
     end
 
     # @return [ String ]
     def full_path_disclosure_url
       @uri.merge('wp-includes/rss-functions.php').to_s
     end
-
   end
 end