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MyBB "do" Parameter Cross-Site Scripting Vulnerability
Secunia Advisory: SA20492
Release Date: 2006-06-08
Last Update: 2006-06-15
Popularity: 4,948 views

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

Software:MyBB (formerly MyBulletinBoard) 1.x

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CVE reference:CVE-2006-2949


Description:
o.y.6 has discovered a vulnerability in MyBB, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "do" parameter in private.php isn't 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 has been confirmed in version 1.1.2. Other versions may also be affected.

Solution:
Update to version 1.1.3.
http://www.mybboard.com/downloads.php

Provided and/or discovered by:
o.y.6

Changelog:
2006-06-12: Updated "Solution" section.
2006-06-15: Added CVE reference.


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