Multiple cross-site scripting (XSS) vulnerabilities in Netsweeper before 3.1.10, 4.0.x before 4.0.9, and 4.1.x before 4.1.2 allow remote attackers to inject arbitrary web script or HTML via the (1) server parameter to remotereporter/load_logfiles.php, (2) customctid parameter to webadmin/policy/category_table_ajax.php, (3) urllist parameter to webadmin/alert/alert.php, (4) QUERY_STRING to webadmin/ajaxfilemanager/ajax_get_file_listing.php, or (5) PATH_INFO to webadmin/policy/policy_table_ajax.php/.