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vBulletin Private Message Subject Script Insertion

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Release Date:  2008-08-21    Last Update:  2008-08-28    Views:  7,393

Secunia Advisory SA31552

Where:

From remote

Impact:

Cross Site Scripting

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Federico Muttis has reported a vulnerability in vBulletin, which can be exploited by malicious users to conduct script insertion attacks.

Input passed as the subject of a private message is not properly sanitised before being stored. This can be exploited to insert arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when the malicious data is viewed.

Successful exploitation requires valid user credentials and that "Show New Private Message Notification Pop-Up" is enabled.

The vulnerability is reported in versions 3.7.2 PL1 and 3.6.10 PL3. Prior versions may also be affected.


Solution:
Update to version 3.7.2 PL2 or 3.6.10 PL4.

Provided and/or discovered by:
Federico Muttis, Core Security Technologies

Original Advisory:
vBulletin:
http://www.vbulletin.com/forum/showthread.php?t=282133

Core Security Technologies:
http://www.coresecurity.com/content/vbulletin-cross-site-scripting-vulnerability

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: vBulletin Private Message Subject Script Insertion

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