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Vulnerability ID: HTB22536
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_onyx.html
Product: Onyx
Vendor: Hulihan Applications ( http://hulihanapplications.com/projects/onyx )
Vulnerable Version: 0.3.2 and Probably Prior Versions
Vendor Notification: 27 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/settings/update script to properly sanitize user-supplied input in "setting[site_keywords]" and "setting[site_description]" variables. 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: