LibreNMS stored Cross-site Scripting vulnerability in poller group name

中 6.1CVE-2025-47931 · GHSA-hxw5-9cc5-cmw5 · 17/05/2025 公開 · 17/06/2026 更新

要点

CVE-2025-47931 は librenms/librenms, librenms (librenms) に影響する深刻度「中」 (CVSS 6.1) の脆弱性です。
今後30日間に悪用される確率（EPSS）：10.1%（全脆弱性の 95.6% より高い）。
対処：25.5.0 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
librenms/librenms Packagist	`< 25.5.0`	`25.5.0`
librenms librenms	`< 25.5.0`	`25.5.0`

概要

LibreNMS v25.4.0 suffers from 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.

---------------------------------POC-----------------------------

Before Setting: Enable 'distributed_poller' in http://localhost/settings/poller/distributed

Attacker creates a new poller group and injects the payload in the 'group name' parameter

payload: <script>alert('XSS')</script>

Victim navigates to the 'http://localhost/addhost' to add a new host
The payload is executed

code sink: https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284

NVD の説明

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.