XSS vulnerability in boastMachine

From: advisory@htbridge.ch
To: bugtraq@securityfocus.com
Subject: XSS vulnerability in boastMachine

Vulnerability ID: HTB22399
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_boastmachine.html
Product: boastMachine
Vendor: Kailash Nadh
Vulnerable Version: 3.1 and Probably Prior Versions
Vendor Notification: 20 May 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 [xxx] script to properly sanitize user-supplied input in [yyy] 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: 


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