CVE-2024-51497 LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/print-customoid.php

Medium 4.8 Published Updated

Authenticated users can inject JavaScript via the unit parameter in LibreNMS, leading to session hijacking and unauthorized actions for other users.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-51497?

CVE-2024-51497 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 Stored Cross-Site Scripting (XSS) vulnerability in the "Custom OID" tab of a device allows authenticated users to inject arbitrary JavaScript through the "unit" parameter when creating a new OID. This vulnerability can lead to the execution of malicious code in the context of other users' sessions, compromising their accounts and enabling unauthorized actions. This vulnerability is fixed in 24.10.0.

Weakness: CWE-79

Which versions are affected by CVE-2024-51497?

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

PackageAffectedFixed in
librenms/librenms PackagistAll versions24.10.0
librenms/librenms PackagistAll versions24.10.0

Products include Librenms Librenms.

How do I fix CVE-2024-51497?

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-2024-51497 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-51497 exists.

All Librenms Librenms vulnerabilities

Sources

Also known as GHSA-gv4m-f6fx-859x.

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