LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. User with Admin role can create a Device Groups, the application did not properly sanitize the user input in the Device Groups name, when user see the detail of the Device Group, if java script code is inside the name of the Device Groups, its will be trigger. This vulnerability is fixed in 24.9.0.

LibreNMS has Stored Cross-site Scripting vulnerability in "Device Group" Name