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OpenAdvisories
Medium · 5.5 CVE-2025-55296 EUVD-2025-25142GHSA-vxq6-8cwm-wj99

LibreNMS allows stored XSS in Alert Template name field

Published Aug 18, 2025 · Updated Aug 18, 2025 · Assigned by GitHub_M

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 products

VendorProductAffectedFixed
librenms librenms < 25.8.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist librenms/librenms < 25.8.0 25.8.0 GHSA-vxq6-8cwm-wj99

References