Joomla/Mambo CMS Component SimpleBoard 1.1.0 Stable XSS-Vulnerabilities ======================================================================= Release Date ------------ June 01, 2006 Vendor ------- Two Shoes Mambo Factory http://www.tsmf.net/ Version ------- SimpleBoard 1.1.0 Stable (com_simpleboard) under Joomla CMS 1.0.8 Details ------- Frontend (Public): <forum_link> / <forum_title> / "post ne topic" / Name -> [XSS] If the module "mod_simpleboard5" wich shows the latest posts (also Username) is installed and aktivated for the frontpage (home), make <script>history.back();</script> and no one can join the page again! Backend (Admin Panel): Components /Simpleboard Forum / Simpleboard Configuration / Basics -> Title [XSS] (Community-Title) Components /Simpleboard Forum / Simpleboard Administration / New -> Name [XSS] (Forum-Title) Components /Simpleboard Forum / Simpleboard Administration / New -> Name [XSS] (Category-Title <- Choose "Top Level Category") XSS example: <script>alert("XSS");</script> Discovered by: Yannick von Arx yannick[dot]vonarx[at]yanux[dot]ch