Description
LibreNMS is a community-based GPL-licensed network monitoring system. The alert rule name in the Alerts > Alert Rules page is not properly sanitized, and can be used to inject HTML code. This vulnerability is fixed in 25.10.0.
References (2)
Core 2
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/librenms/librenms/security/advisories/GHSA-6g2v-66ch-6xmh
Scores
CVSS v3
3.8
EPSS
0.0000
EPSS Percentile
0.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
librenms/librenms
0 - 25.10.0Packagist
librenms/librenms
25.8.0 - 25.10.0
Published
Oct 16, 2025
Tracked Since
Feb 18, 2026