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 crea…
Published: 2025-08-18 · CVSS: 5.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7