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.
References (4)
Core 4
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
Issue Tracking, Patch x_refsource_misc
https://github.com/librenms/librenms/pull/17603
Patch x_refsource_misc
https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
Product x_refsource_misc
https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
Scores
CVSS v3
6.1
EPSS
0.0001
EPSS Percentile
0.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
librenms/librenms
< 25.5.0
librenms/librenms
0 - 25.5.0Packagist
Published
May 17, 2025
Tracked Since
Feb 18, 2026