CVE-2025-65013 LibreNMS vulnerable to Reflected Cross-Site Scripting (XSS) in endpoint `/maps/nodeimage` parameter `Image Name`

Medium 6.2 Published Updated

Attackers can execute arbitrary JavaScript in victims' browsers via a crafted URL in LibreNMS, potentially leading to session hijacking or data theft.

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-2025-65013?

CVE-2025-65013 is a medium-severity cross-site scripting vulnerability in Librenms Librenms, published on 18 Nov 2025. 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 auto-discovering PHP/MySQL/SNMP based network monitoring tool. Prior to version 25.11.0, a reflected cross-site scripting (XSS) vulnerability was identified in the LibreNMS application at the /maps/nodeimage endpoint. The Image Name parameter is reflected in the HTTP response without proper output encoding or sanitization, allowing an attacker to craft a URL that, when visited by a victim, causes arbitrary JavaScript execution in the victim’s browser. This issue has been patched in version 25.11.0.

Weakness: CWE-79

Which versions are affected by CVE-2025-65013?

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

PackageAffectedFixed in
librenms/librenms PackagistAll versions25.11.0
librenms/librenms PackagistAll versions25.11.0

Products include Librenms Librenms.

How do I fix CVE-2025-65013?

Upgrade librenms/librenms to 25.11.0 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-2025-65013 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65013 exists.

All Librenms Librenms vulnerabilities

Sources

Also known as GHSA-j8cq-7f6p-256x.

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