Vulnerability ID: HTB22947 Reference: http://www.htbridge.ch/advisory/xss_in_ajax_category_dropdown_wordpress_plugin.html Product: Ajax Category Dropdown wordpress plugin Vendor: http://www.dyasonhat.com/ ( http://www.dyasonhat.com/ ) Vulnerable Version: 0.1.5 Vendor Notification: 07 April 2011 Vulnerability Type: XSS (Cross Site Scripting) Risk level: Medium Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ ) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "/wp-content/plugins/ajax-category-dropdown/includes/dhat-ajax-cat-dropdown-request.php" script to properly sanitize user-supplied input in "category_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/ajax-category-dropdown/includes/dhat-ajax-cat-dropdown-request.php?admin&category_id=%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E
