CVE-2025-47931

2.1 lowEPSS 10%

Low (2.1) in librenms librenms. EPSS 10% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.1 low

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 10% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-05-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

librenms:librenms

References

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

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