Multiple cross-site scripting (XSS) vulnerabilities in TorrentFlux 2.1 allow remote attackers to inject arbitrary web script or HTML via the (1) action, (2) file, and (3) users array variables in (a) admin.php, which are not properly handled when the administrator views the Activity Log; and the (4) torrent parameter, as used by the displayName variable, in (b) startpop.php, different vectors than CVE-2006-5227.