Cross-site scripting (XSS) vulnerability in index.php in Elxis CMS 2008.1 revision 2204 allows remote attackers to inject arbitrary web script or HTML via the (1) PATH_INFO or the (2) option (3) Itemid (4) id (5) task (6) bid and (7) contact_id parameters. NOTE: the error might be located in modules/mod_language.php and index.php might be the interaction point.