Multiple cross-site scripting (XSS) vulnerabilities in Claroline before 1.8.6 allow remote authenticated administrators to inject arbitrary web script or HTML via the (1) dir parameter in admin/adminusers.php, the (2) action parameter in admin/advancedUserSearch.php, and the (3) view parameter in admin/campusProblem.php.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.