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CVE-2025-62412

LibreNMS alert-rules Cross-Site Scripting Vulnerability

Published: Oct 16, 2025Updated: Oct 23, 2025 Sources: CVE List NVD GHSACWE-79
NVD MITRE
3.8CVSSLOW
EPSS Score
0.3%
Top 83.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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 Breakdown

AV:NAC:LPR:HUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

librenmslibrenms
On-prem
Enterprise Software / itsm-monitoring
librenms/librenmsPackagistOSS Libraries
librenmsoss-projectEnterprise Softwareaka librenms/librenms, librenms
packagistpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/librenms/librenms/security/advisories/GHSA-6g2v-66ch-6xmh
github.com
https://github.com/librenms/librenms/commit/dccdf6769976a974d70f06a7ce8d5a846b29db6f
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-62412
nvd.nist.gov
and 2 more references View all →

Timeline

Published
Oct 16, 2025
Last Updated
Oct 23, 2025

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