Joomla/Mambo CMS Component SimpleBoard 1.1 XSS-Vulnerabilities

[Yannick von Arx <yannick.vonarx () yanux ch>]

Joomla/Mambo CMS Component SimpleBoard 1.1.0 Stable XSS-Vulnerabilities
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Release Date
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June 01, 2006

Vendor
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Two Shoes Mambo Factory
http://www.tsmf.net/

Version
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SimpleBoard 1.1.0 Stable (com_simpleboard) under Joomla CMS 1.0.8

Details
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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