Multiple cross-site request forgery (CSRF) vulnerabilities in Scriptsez.net Ez Poll Hoster (EPH) allow remote attackers to (1) hijack the authentication of arbitrary users for requests that delete polls via the delete_poll action to index.php; and hijack the authentication of administrators for requests that (2) delete users via the manage action to admin.php, or (3) send arbitrary email to arbitrary users in the email action to admin.php.