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CVE-2025-47931

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.

POC

Reference

- https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5

Github

No PoCs found on GitHub currently.