Cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via the widgetId parameter to host-monitoring/src/toolbar.php. This vulnerability is fixed in versions 1.6.4, 18.10.3, 19.04.3, and 19.0.1 of the Centreon host-monitoring widget; 1.6.4, 18.10.5, 19.04.3, 19.10.2 of the Centreon service-monitoring widget; and 1.0.3, 18.10.1, 19.04.1, 19.10.1 of the Centreon tactical-overview widget.