CVE-2025-55296 – LibreNMS Cross-Site Scripting (XSS) Vulnerability

The following table lists the changes that have been made to the
CVE-2025-55296 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 18, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
    Added CWE CWE-79
    Added Reference https://github.com/librenms/librenms/commit/8ade3d827d317f5ac4b336617aafff865f825958
    Added Reference https://github.com/librenms/librenms/security/advisories/GHSA-vxq6-8cwm-wj99
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