TITLE:
vBulletin vBug Tracker Module "sortorder" Cross-Site Scripting

SECUNIA ADVISORY ID:
SA19562

VERIFY ADVISORY:
http://secunia.com/advisories/19562/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
vBug Tracker 3.x (module for vBulletin)
http://secunia.com/product/9230/

DESCRIPTION:
r0t has reported a vulnerability in the vBug Tracker module for
vBulletin, which can be exploited by malicious people to conduct
cross-site scripting attacks.

Input passed to the "sortorder" parameter in vbugs.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 has been reported in version 3.5.1. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
r0t

ORIGINAL ADVISORY:
http://pridels.blogspot.com/2006/04/vbug-tracker-for-vbulletin-35x-xss.html

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------