What’s Vulnerable › Vulnerabilities

CVE-2024-51495: LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/dev-overview-data.inc.php

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-11-15 · updated 2026-06-17
• Weakness: CWE-79

Description

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Stored Cross-Site Scripting (XSS) vulnerability in the Device Overview page allows authenticated users to inject arbitrary JavaScript through the "overwrite_ip" parameter when editing a device. This vulnerability results in the execution of malicious code when the device overview page is visited, potentially compromising the accounts of other users. This vulnerability is fixed in 24.10.0.

Affected products

• librenms: before 24.10.0 — fixed in 24.10.0

How to fix

Upgrade to a fixed version: librenms 24.10.0. Check the vendor advisory for mitigations.

References

• https://github.com/librenms/librenms/commit/4568188ce9097a2e3a3b563311077f2bb82455c0
• https://github.com/librenms/librenms/security/advisories/GHSA-p66q-ppwr-q5j8

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