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.
{
"unresolved_ranges": [
{
"cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "8.0"
}
]
}
]
}{
"cpe": "cpe:2.3:a:nagios:nagios_core:4.4.2:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.4.2"
}
]
}