CVE-2024-51496 LibreNMS has a Reflected XSS ('Cross-site Scripting') in librenms/includes/html/pages/wireless.inc.php

What is CVE-2024-51496?

CVE-2024-51496 is a medium-severity cross-site scripting vulnerability in Librenms Librenms, published on 15 Nov 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2024-51496?

2 open source packages ship an affected version, including librenms/librenms. It affects 1 product.

Products include Librenms Librenms.

How do I fix CVE-2024-51496?

Upgrade librenms/librenms to 24.10.0 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-51496 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-51496 exists.

Other vulnerabilities in Librenms Librenms

• CVE-2023-4982 Cross-site Scripting (XSS) - Stored in librenms/librenms Critical 9.8
• CVE-2022-29712 Command injection in librenms Critical 9.8
• CVE-2021-44278 Path traversal in librenms/librenms Critical 9.8
• CVE-2019-10665 LibreNMS Information Disclosure Critical 9.8
• CVE-2018-20434 LibreNMS arbitrary OS commands execution Critical 9.8

All Librenms Librenms vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-28p7-f6h6-3jh3.