Multiple cross-site scripting (XSS) vulnerabilities in Net Portal Dynamic System (NPDS) 5.0 allow remote attackers to inject arbitrary web script or HTML via the language parameter to (1) admin.php, or (2) powerpack_f.php, (3) the sitename parameter to sdv_infos.php, (4) the categories parameter to faq.php, (5) the lettre parameter to the glossaire module, (6) the title parameter to reviews.php, or (7) the image_subject parameter to reply.php.