WordPress Plugin Dexs PM System – (Authenticated) Persistent Cross-Site Scripting
=============================================================================== | | ____ _ __ ___ __ __/ / /__ ___ ______ ______(_) /___ __ / _ \/ // / / (_-</ -_) __/ // / __/ / __/ // / /_//_/\_,_/_/_/___/\__/\__/\_,_/_/ /_/\__/\_, / /___/ team PUBLIC SECURITY ADVISORY | | =============================================================================== TITLE ===== Dexs PM System - Authenticated Persistent Cross Site Scripting Vulnerability AUTHOR ====== TheXero DATE ==== 10/14/2013 VENDOR ====== Sam Brishes - http://www.pytes.net/ AFFECTED PRODUCT ================ Dexs PM System Wordpress Plugin Version 1.0.1 possibly earlier VULNERABILITY CLASS =================== Cross-Site Scripting DESCRIPTION =========== Dexs PM System suffers from a persistent Cross-Site Scripting vulnerability when sending a message as an authenticated user. An account of at least subscriber status is requested to exploit this vulnerability. This vulnerability exists due to a lack of input validation and output sanitization of the subject paramater. PROOF OF CONCEPT ================ Enter the following into the subject field when sending a message to another user. --- SNIP --- XSS<script>alert('xss');</script> --- SNIP --- If the message has been sent successfully a alert diolog will apear containing xss when an user checks there message in the dashboard. IMPACT ====== An attacker could potentially hijack session authentication tokes of remote users and leverage the vulnerability to increase the attack vector to the underlying software and operating system of the victim. THREAT LEVEL ============ High STATUS ====== 0day DISCLAIMER ========== nullsecurity.net hereby emphasize, that the information which is published here are for education purposes only. nullsecurity.net does not take any responsibility for any abuse or misusage! |