CVE-2025-62412

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.

CVSS v3.1 Score

3.8

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
librenms	librenms	25.8.0 — 25.10.0

References

Advisories & Patches

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

Exploits

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.8 (LOW).

How severe is CVE-2025-62412? +

CVE-2025-62412 has a CVSS v3.1 score of 3.8 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-62412? +

CVE-2025-62412 affects products from librenms, specifically: librenms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-62412? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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