What is CVE-2025-62412?

CVE-2025-62412 is a low-severity vulnerability in Librenms, classified under Cross-site Scripting. CVSS score: 3.8/10. Published 2025-10-16.

How severe is CVE-2025-62412?

Low severity. CVSS v3 base score is 3.8 out of 10.

XSS in Librenms

CVE-2025-62412

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-10-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Librenms — versions < 25.10.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/librenms/librenms/security/advisories/GHSA-6g2v-66ch-6xmh (Exploit, Vendor Advisory)
github.com/librenms/librenms/commit/dccdf6769976a974d70f06a7ce8d5a846b29db6f (Patch)

Frequently asked questions

What is CVE-2025-62412?: CVE-2025-62412 is a low-severity vulnerability in Librenms, classified under Cross-site Scripting. CVSS score: 3.8/10. Published 2025-10-16.
How severe is CVE-2025-62412?: Low severity. CVSS v3 base score is 3.8 out of 10.