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If-CMS "rns" Cross-Site Scripting Vulnerability
Secunia Advisory: SA22715
Release Date: 2006-11-06
Last Update: 2006-11-08
Popularity: 5,500 views

Critical:
Less critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Unpatched

Software:If-CMS 1.x
If-CMS 2.x

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CVE reference:CVE-2006-5759
CVE-2006-5761


Description:
Benjamin Mossé and Laurent Gaffié have discovered a vulnerability in If-CMS, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "rns" parameter in index.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The vulnerability is confirmed in versions 1.01 and 2.07. Other versions may also be affected.

Solution:
Edit the source code to ensure that input is properly sanitised.

Provided and/or discovered by:
Benjamin Mossé and Laurent Gaffié

Changelog:
2006-11-08: Added CVE reference.

Original Advisory:
http://s-a-p.ca/index.php?page=OurAdvisories&id=5


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