CVE-2025-47931

Public Exploit
LibreNMS stored Cross-site Scripting vulnerability in poller group name

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.

Category

2.1
CVSS
Severity: Low
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.00%
Vendor Advisory github.com
Affected: librenms librenms
Published at:
Updated at:

References

Link Tags
https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5 vendor advisory exploit
https://github.com/librenms/librenms/pull/17603 issue tracking patch
https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062 patch
https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284 product

Frequently Asked Questions

What is the severity of CVE-2025-47931?
CVE-2025-47931 has been scored as a low severity vulnerability.
How to fix CVE-2025-47931?
To fix CVE-2025-47931, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-47931 being actively exploited in the wild?
It is possible that CVE-2025-47931 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-47931?
CVE-2025-47931 affects librenms librenms.
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