Multiple cross-site scripting vulnerabilities in phpMyAdmin 4.0.x before 4.0.10.15, 4.4.x before 4.4.15.5, and 4.5.x before 4.5.5.1 allow remote attackers to inject arbitrary web script or HTML via a crafted Host HTTP header, related to libraries/Config.class.php; crafted JSON data, related to file_echo.php; a crafted SQL query, related to js/functions.js; the initial parameter to libraries/server_privileges.lib.php in the user accounts page; or the it parameter to libraries/controllers/TableSearchController.class.php in the zoom search page.