Multiple cross-site scripting vulnerabilities in phpMyAdmin 4.4.x before 4.4.15.7 and 4.6.x before 4.6.3 allow remote attackers to inject arbitrary web script or HTML via vectors involving server-privileges certificate data fields on the user privileges page, an "invalid JSON" error message in the error console, a database name in the central columns implementation, a group name, or a search name in the bookmarks implementation.