Multiple cross-site scripting (XSS) vulnerabilities in ATutor before 2.1 allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO to (1) themes/default/tile_search/index.tmpl.php, (2) login.php, (3) search.php, (4) password_reminder.php, (5) login.php/jscripts/infusion, (6) login.php/mods/_standard/flowplayer, (7) browse.php/jscripts/infusion/framework/fss, (8) registration.php/themes/default/ie_styles.css, (9) about.php, or (10) themes/default/social/basic_profile.tmpl.php.