CVE-2024-51496: Librenms

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Reflected Cross-Site Scripting (XSS) vulnerability in the "metric" parameter of the "/wireless" and "/health" endpoints allows attackers to inject arbitrary JavaScript. This vulnerability results in the execution of malicious code when a user accesses the page with a malicious "metric" parameter, potentially compromising their session and allowing unauthorized actions. This vulnerability is fixed in 24.10.0.

Affected products

• Librenms Librenms: before 24.10.0 (fixed in 24.10.0)

Published 2024-11-15. Last modified 2026-06-17.