Multiple cross-site request forgery (CSRF) vulnerabilities in the check_csrftoken function in lib/lib.inc.php in PHProjekt 5.2.0, when magic_quotes_gpc is disabled, allow remote attackers to perform unauthorized actions as an arbitrary user via the (1) Projects, (2) Contacts, (3) Helpdesk, (4) Notes, (5) Search, (6) Mail, or (7) Filemanager module; the (9) summary page; or unspecified other files.