Medium severity · published Oct 16, 2025
CVE-2025-62412
LibreNMS alert-rules Cross-Site Scripting Vulnerability
4.8
CVSS
0.3%
EPSS
No
On KEV
Description
LibreNMS is a community-based GPL-licensed network monitoring system. The alert rule name in the Alerts > Alert Rules page is not properly sanitized, and can be used to inject HTML code. This vulnerability is fixed in 25.10.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
librenms · librenms
< 25.10.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62412
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-62412
Patch
https://github.com/librenms/librenms/commit/dccdf6769976a974d70f06a7ce8d5a846b29db6f
Exploit
https://github.com/librenms/librenms/security/advisories/GHSA-6g2v-66ch-6xmh
More from librenms
9.8
CVE-2026-86426
LibreNMS before 26.8.0 Authentication Bypass via API Token Type Confusion
9.8
CVE-2022-4070
Insufficient Session Expiration in GitHub repository librenms/librenms prior to 22.10.0
9.8
CVE-2022-29712
LibreNMS v22.3.0 was discovered to contain multiple command injection vulnerabilities via the service_ip, hostname, and service_param parameters
9.8
CVE-2021-44278
Librenms 21.11.0 is affected by a path manipulation vulnerability in includes/html/pages/device/showconfig.inc.php
9.8
CVE-2019-10665
An issue was discovered in LibreNMS through 1.47