From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Nov 14 2007 - 23:17:04 CST

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TITLE:
X7 Chat "room" Cross-Site Scripting

SECUNIA ADVISORY ID:
SA27677

VERIFY ADVISORY:
http://secunia.com/advisories/27677/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
From remote

SOFTWARE:
X7 Chat 2.x
http://secunia.com/product/9696/

DESCRIPTION:
ShAy6oOoN has discovered a vulnerability in X7 Chat, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to the "room" parameter in sources/frame.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 is confirmed in version 2.0.5. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
ShAy6oOoN

ORIGINAL ADVISORY:
http://packetstorm.linuxsecurity.com/0711-exploits/x7-xss.txt

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