Multiple cross-site scripting (XSS) vulnerabilities in poMMo Aardvark PR16.1 allow remote attackers to inject arbitrary web script or HTML via (1) the referer parameter to index.php, (2) the site_name parameter to admin/setup/config/general.php, (3) the group_name parameter to admin/subscribers/subscribers_groups.php, or (4) the field_name parameter to admin/setup/setup_fields.php.