The issue allows remote attackers to inject arbitrary web script or HTML. This can be achieved via the PATH INFO to various files, including "themes/default/tile search/index.tmpl.php", "login.php", "search.php", "password reminder.php", "login.php/jscripts/infusion", "login.php/mods/ standard/flowplayer", "browse.php/jscripts/infusion/framework/fss", "registration.php/themes/default/ie styles.css", "about.php", or "themes/default/social/basic profile.tmpl.php".