Cross-site scripting in LibreNMS - CVE-2025-23200
Published: January 16, 2025 / Updated: April 24, 2026
Vulnerability identifier: #VU127449
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-23200
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: LibreNMS Project
Affected software:
LibreNMS
LibreNMS
Detailed vulnerability description
The vulnerability allows a remote user to inject malicious scripts.
The vulnerability exists due to improper neutralization of input during web page generation in the dynamic_override_config function in functions.inc.php and the misc section page when processing the state parameter in ajax_form.php. A remote user can submit a specially crafted state value to inject malicious scripts.
User interaction is required when a user views or interacts with the page displaying the stored data.
How to mitigate CVE-2025-23200
Install security update from vendor's website.