CVE-2026-84188 — librenms before 26.7.0 Stored XSS via graph_descr settings
LibreNMS versions <= 26.4.0 contain a stored cross-site scripting vulnerability in the graph_descr.<graphtype> configuration settings, which are echoed verbatim without HTML esc…
Published: 2026-09-01 · CVSS: 4.8 · CVSS 4.0
LibreNMS versions <= 26.4.0 contain a stored cross-site scripting vulnerability in the graph_descr.<graphtype> configuration settings, which are echoed verbatim without HTML escaping in includes/html/pages/graphs.inc.php. An administrator can store a malicious HTML payload that executes in the browser of any authenticated user who views the affected graph type. The issue is fixed in version 26.7.0.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7