Multiple cross-site scripting (XSS) vulnerabilities in SpamTitan 5.08 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) testaddr or (2) testpass parameter to auth-settings.php; (3) hostname, (4) domainname, or (5) mailserver parameter to setup-relay.php; or (6) subnetmask or (7) defaultroute parameter to setup-network.php.