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TITLE:
vBulletin Visitor Messages Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA32782

VERIFY ADVISORY:
http://secunia.com/advisories/32782/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
vBulletin 3.x
http://secunia.com/advisories/product/3212/

DESCRIPTION:
Mx has reported a vulnerability in vBulletin, which can be exploited
by malicious people to conduct script insertion attacks.

Input passed to the visitor messages addon when posting a new comment
is not properly filtered before being used. This can be exploited to
inject arbitrary HTML and script code, which is executed in a user's
browser session in context of an affected site when malicious data is
viewed.

The vulnerability affects all 3.7.x versions prior to version 3.7.4
PL1.

SOLUTION:
Update to version 3.7.4 PL1.
http://members.vbulletin.com/patches.php

PROVIDED AND/OR DISCOVERED BY:
Mx

ORIGINAL ADVISORY:
vBulletin:
http://www.vbulletin.com/forum/showthread.php?t=291665

Mx:
http://milw0rm.com/exploits/7174

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