Vulnerability ID: HTB22474 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_gekko_web_builder.html Product: Gekko Web Builder Vendor: Baby Gekko IT Consulting ( http://www.babygekko.com/ ) Vulnerable Version: v0.90 ALPHA and Probably Prior Versions Vendor Notification: 01 July 2010 Vulnerability Type: XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (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/index.php" script to properly sanitize user-supplied input in "app" 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://host/admin/index.php?app=settings"><script>alert(document.cookie)</script>