Nagios Core 4.4.2 has XSS via the alert summary reports of plugin results, as demonstrated by a SCRIPT element delivered by a modified check_load plugin to NRPE.
openSUSE Leap 15.1 openSUSE Tumbleweed SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise Server 11 SP1 SUSE Linux Enterprise Server 11 SP3 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Storage 6 SUSE Manager Proxy 4.0 SUSE Manager Server 4.0 SUSE Package Hub for SUSE Linux Enterprise 15 SP1