Cross-site Scripting (XSS) Affecting nagios4 package, versions <4.3.4-3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-NAGIOS4-11761425
- published10 Aug 2025
- disclosed17 Dec 2018
Introduced: 17 Dec 2018
CVE-2018-18245 (opens in a new tab)How to fix?
Upgrade Debian:14 nagios4 to version 4.3.4-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nagios4 package and not the nagios4 package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2018-18245
- https://lists.debian.org/debian-lts-announce/2018/12/msg00014.html
- https://herolab.usd.de/wp-content/uploads/sites/4/2018/12/usd20180026.txt
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00022.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-18245