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TITLE:
Snitz Forums 2000 "MSN" Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA24358

VERIFY ADVISORY:
http://secunia.com/advisories/24358/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Snitz Forums 2000 3.4.x
http://secunia.com/product/1483/

DESCRIPTION:
Stefano Angaran has discovered a vulnerability in Snitz Forums 2000,
which can be exploited by malicious users to conduct script insertion
attacks.

Input passed to the "MSN" form field parameter in pop_profile.asp is
not properly sanitised before being used. This can be exploited to
insert arbitrary HTML and script code, which will be executed in a
user's browser session in context of an affected site when a
malicious profile is viewed.

The vulnerability is confirmed in version 3.4.06. Other versions may
also be affected.

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

Grant only trusted users access to the application.

PROVIDED AND/OR DISCOVERED BY:
Stefano Angaran

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