CVE-2025-47931 Information

Description

LibreNMS is PHP/MySQL/SNMP based network monitoring software. LibreNMS v25.4.0 and prior suffers from a Stored Cross-Site Scripting (XSS) Vulnerability in the group name parameter of the http://localhost/poller/groups form. This vulnerability allows attackers to inject malicious scripts into web pages viewed by other users. LibreNMS v25.5.0 contains a patch for the issue.

Reference

https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284 https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062 https://github.com/librenms/librenms/pull/17603 https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5