[SA18283] Discus Error Message Cross-Site Scripting Vulnerability

TITLE:
Discus Error Message Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA18283

VERIFY ADVISORY:
http://secunia.com/advisories/18283/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Discus Freeware 3.x
http://secunia.com/product/6725/
Discus Professional 3.x
http://secunia.com/product/6726/

DESCRIPTION:
$um$id has discovered a vulnerability in Discus, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed in the URL isn't properly sanitised before being
returned to the user in an error message. 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 Discus Freeware version
3.10.5 and also reported in Discus Professional 3.10.4. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
$um$id

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/

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