Multiple cross-site scripting (XSS) vulnerabilities in include/html/header.php in TaskFreak! 0.6.4 allow remote attackers to inject arbitrary web script or HTML via the (1) sContext, (2) sort, (3) dir, and (4) show parameters in a save action to index.php; the (5) dir and (6) show parameters to print_list.php; and the (7) HTTP referer header to rss.php.  NOTE: some of these details are obtained from third party information.