STG Security Advisory: [SSA-20041209-13] UseModWiki XSS vulnerability

Revision 1.0
Date Published: 2004-12-09 (KST)
Last Update: 2004-12-09
Disclosed by SSR Team (advisory@stgsecurity.com)


Summary
========
UseModWiki is one of famous wiki web applications. It has a cross-site
scripting vulnerability.

Vulnerability Class
===================
Implementation Error: Input validation flaw

Details
=======
Due to an input validation flaw, the UseModWiki is vulnerable to cross-site
scripting attacks.

http://[victim]/cgi-bin/wiki.pl?&lt;script&gt;alert('XSSvulnerabilityexists')</scr
ipt>

Impact
======
Medium: Malicious attackers can inject and execute an arbitrary script code
in a user's browser session in context of an affected site.

Workaround
==========
There is no known workaround.

Affected Products
================
UseModWiki 1.0

Vendor Status: NOT FIXED
=======================
2004-10-01 Vulnerability found.
2004-10-01 UseModWiki developer notified.
2004-10-02 UseModWiki developer confirmed.
2004-12-09 Official release.

Credits
======
Jeremy Bae at STG Security