CVE-2025-55296

LibreNMS allows stored XSS in Alert Template name field

Published Aug 18, 2025 CVSS 3.1 · 5.5 Medium EPSS 18.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-25142 LibreNMS allows stored XSS in Alert Template name field
Github GHSA Github GHSA GHSA-vxq6-8cwm-wj99 LibreNMS allows stored XSS in Alert Template name field
History
Type Values Removed Values Added
CPEs cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Librenms
Librenms librenms
Vendors & Products Librenms
Librenms librenms
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values 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.
Title LibreNMS allows stored XSS in Alert Template name field
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 18, 2025, 5:38 PM
Reserved
Aug 12, 2025, 4:15 PM
Status
Analyzed
Published
Aug 18, 2025, 6:15 PM
Modified
Jun 17, 2026, 9:41 AM