CVE-2025-55296 LibreNMS allows stored XSS in Alert Template name field

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...

CVE-2025-55296

LibreNMS (LibreNMS) has a stored XSS in the Alert Template name field affecting versions up to and including 25.6.0. The vulnerability requires an admin to inject JavaScript that executes when the template renders, potentially compromising other admin accounts. Remediation is to upgrade to versio...