CVE-2025-47931
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 4.0
- 2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 11.90% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- librenms/librenms
- Source
- security-advisories@github.com
References
- https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284Product
- https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062Patch
- https://github.com/librenms/librenms/pull/17603Issue Tracking, Patch
- https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.