CVE-2025-55296

Published: Aug 18, 2025Modified: Jun 17, 2026

5.4

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.3 / Impact: 2.7

Source: NVD

Description

librenms is a community-based GPL-licensed network monitoring system. A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature. This allows a user with the admin role to inject malicious JavaScript, which will be executed when the template is rendered, potentially compromising other admin accounts. This vulnerability is fixed in 25.8.0.

Affected (1)

Products: Librenms: Librenms

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Librenms Librenms	Before 25.8.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/librenms/librenms/commit/8ade3d827d317f5ac4b336617aafff865f825958

Source: security-advisories@github.com

Patch

https://github.com/librenms/librenms/security/advisories/GHSA-vxq6-8cwm-wj99

Source: security-advisories@github.com

ExploitVendor Advisory

Timeline

No history available yet.