bugtraq - XSS in ecoCMS

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Message-Id: <201005041241.o44CfUbd025444@htbridge.ch>
Date: Tue, 4 May 2010 14:41:30 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: XSS in ecoCMS

Vulnerability ID: HTB22353
Reference: http://www.htbridge.ch/advisory/xss_in_ecocms.html
Product: ecoCMS
Vendor: ecoCMS Team
Vulnerable Version: Current at 18.04.2010 and Probably Prior Versions
Vendor Notification: 18 April 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application. 

The vulnerability exists due to failure in the "/admin.php" script to properly sanitize user-supplied input in "p" variable. 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.

An attacker can use browser to exploit this vulnerability. The following PoC is available: 

http://example.com/admin.php?p=1%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E