# Exploit Title: WordPress WP Membership plugin [Stored XSS] # Contact: https://twitter.com/panVagenas # Vendor Homepage: http://wpmembership.e-plugins.com/ # Software Link: http://codecanyon.net/item/wp-membership/10066554 # Version: 1.2.3 # Tested on: WordPress 4.2.2 # CVE: CVE-2015-4039 ============================================= * 1. Stored XSS ============================================= 1.1 Description All input fields from registered users aren't properly escaped. This could lead to an XSS attack that could possibly affect all visitors of the website, including administators. 1.2 Proof of Concept * Login as regular user * Update any field of your profile appending at the end `` or `