Nagios XI v5.8.6 was discovered to contain a cross-site scripting (XSS) vulnerability via the System Settings page under the Admin panel.

published 2022-09-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-40839

cvss: 4.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.1%; EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-38247 updated 2026-01-13 cvss 4.8

nagios: cross-site scripting (XSS) vulnerability via the System Settings page under the Admin panel

Red Hat Storage 3 nagios, nagios-common
affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.10% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

nagios.com /downloads/nagios-xi/change-log/#5.8.7
vendor-advisory

Sources

CVE List CVE-2022-38247
NVD CVE-2022-38247

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary