CVE-2025-47931

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub_MCNA
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
VendorProductVersion
librenmslibrenms
𝑥
< 25.5.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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