bugtraq - XSS in CLASSIFIED ADS

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Message-Id: <201105021429.p42ETHlj025427@www5.securityfocus.com>
Date: Mon, 2 May 2011 08:29:17 -0600
From: bolok.boloke80@...il.com
To: bugtraq@...urityfocus.com
Subject: XSS in CLASSIFIED ADS

Product: CLASSIFIED ADS
Vendor: http://www.got.my ( http://www.got.my/CLASSIFIED-ADS/ )
Vulnerable Version: 2.9.1
Vulnerability Type: XSS (Cross Site Scripting)
Risk level: Medium
Credit: Hector.x90

Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
The vulnerability exists due to failure in the "/themes/default/header.inc.php" script to properly sanitize user-supplied input in "theme_dir" variable then register_globals on.
Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

The following PoC is available:

http://[host]/themes/default/header.inc.php?theme_dir=%22%3E%3Cscript%3E
alert%28document.cookie%29;%3C/script%3E