CVE-2025-62412

LibreNMS alert-rules Cross-Site Scripting Vulnerability

State: Published
Severity: 3.8 Low
Published: Oct 16, 2025
Updated: Oct 16, 2025
Reserved: Oct 13, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	3.8 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
librenmslibrenms	< 25.10.0Affected

References

https://github.com/librenms/librenms/security/advisories/GHSA-6g2v-66ch-6xmh
https://github.com/librenms/librenms/commit/dccdf6769976a974d70f06a7ce8d5a846b29db6f

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