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.

Classification

CVE ID: CVE-2025-47931

CVSS Base Severity: LOW

CVSS Base Score: 2.1

CVSS Vector: 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

Affected Products

Vendor: librenms

Product: librenms

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.0% (probability of being exploited)

EPSS Percentile: 0.04% (scored less or equal to compared to others)

EPSS Date: 2025-06-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-47931
https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
https://github.com/librenms/librenms/pull/17603
https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284

Timeline