XSS vulnerability in Gekko Web Builder Jul 15 2010 02:21PM
advisory htbridge ch
Vulnerability ID: HTB22474
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_gekko_web_builder.h
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:

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