Vulnerability ID: HTB22847 Reference: http://www.htbridge.ch/advisory/xss_in_iwantonebutton_wordpress_plugin.html Product: IWantOneButton wordpress plugin Vendor: Daniel Sands ( http://www.danielsands.co.cc/ ) Vulnerable Version: 3.0.1 Vendor Notification: 10 February 2011 Vulnerability Type: XSS (Cross Site Scripting) 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 "/wp-content/plugins/iwant-one-ihave-one/updateAJAX.php" script to properly sanitize user-supplied input in "post_id" 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. The following PoC is available: http://[host]/wp-content/plugins/iwant-one-ihave-one/updateAJAX.php?add=want&post_id=%3Chtml%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E%3C/html%3E
