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CVE-2025-47931

Medium

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductLibrenms
PublishedMay 17, 2025
First seenMay 17, 2025
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update
  • librenms librenms25.5.0 or later
  • librenms/librenms25.5.0 or later

Affected products

ProductAffected versionsFixed in
librenms librenmsv < 25.5.025.5.0
librenms/librenmsPackagistv < 25.5.025.5.0

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