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TITLE:
Chatness "user" Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA14732

VERIFY ADVISORY:
http://secunia.com/advisories/14732/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Chatness 2.x
http://secunia.com/product/4865/

DESCRIPTION:
3nitro has reported a vulnerability in Chatness, which can be
exploited by malicious people to conduct script insertion attacks.

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

The vulnerability has been reported in version 2.5.1 and prior.

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

PROVIDED AND/OR DISCOVERED BY:
3nitro, PersianHacker.NET Security Team

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