Multiple cross-site scripting (XSS) vulnerabilities in YOOtheme Pagekit CMS 0.8.7 allow remote attackers to inject arbitrary web script or HTML via the (1) HTTP Referer header to index.php/user or (2) PATH_INFO to index.php.
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.