Multiple cross-site scripting (XSS) vulnerabilities in trixbox 2.4.2.0 allow remote attackers to inject arbitrary web script or HTML via the query string to index.php in (1) user/ or (2) maint/.

registry.pl in Fonality Trixbox 2.0 PBX products, when running in certain environments, reads and executes a set of commands from a remote web site without sufficiently validating the origin of the commands, which allows remote attackers to disable trixbox and execute arbitrary commands via a DNS spoofing attack.