Multiple cross-site scripting (XSS) vulnerabilities in TorrentTrader Classic 1.09 allow remote authenticated users to inject arbitrary web script or HTML via (1) the Title field to requests.php, related to viewrequests.php; and (2) the Torrent Name field to torrents-upload.php, related to the logging of torrent uploads; and allow remote attackers to inject arbitrary web script or HTML via (3) the ttversion parameter to themes/default/footer.php, the (4) SITENAME and (5) CURUSER[username] parameters to themes/default/header.php, (6) the todayactive parameter to visitorstoday.php, (7) the activepeople parameter to visitorsnow.php, (8) the faq_categ[999][title] parameter to faq.php, and (9) the keepget parameter to torrents-details.php.