Multiple cross-site scripting (XSS) vulnerabilities in the WebGUI in pfSense before 2.2.1 allow remote attackers to inject arbitrary web script or HTML via the (1) zone parameter to status_captiveportal.php; (2) if or (3) dragtable parameter to firewall_rules.php; (4) queue parameter in an add action to firewall_shaper.php; (5) id parameter in an edit action to services_unbound_acls.php; or (6) filterlogentries_time, (7) filterlogentries_sourceipaddress, (8) filterlogentries_sourceport, (9) filterlogentries_destinationipaddress, (10) filterlogentries_interfaces, (11) filterlogentries_destinationport, (12) filterlogentries_protocolflags, or (13) filterlogentries_qty parameter to diag_logs_filter.php.