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Phorum "admin.php" Cross-Site Scripting Vulnerability
Secunia Advisory: SA24396
Release Date: 2007-03-06
Last Update: 2008-06-09
Popularity: 5,860 views

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

Software:Phorum 5.x

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Description:
Hasadya Raed has discovered a vulnerability in Phorum, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed via the URL to admin.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.

Successful exploitation requires that the user is running a browser that does not URL-encode the request (e.g. Internet Explorer).

The vulnerability is confirmed in version 5.1.19. Other versions may also be affected.

Solution:
Update to version 5.2.7 or later.

Provided and/or discovered by:
Hasadya Raed

Changelog:
2008-06-09: Updated "Solution" section.


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