Cross-site scripting in LibreNMS - CVE-2025-62365
Published: April 24, 2026
Vulnerability identifier: #VU127443
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2025-62365
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 attacker to execute arbitrary script in a user's browser.
The vulnerability exists due to cross-site scripting in the report_this function in librenms/includes/functions.php when handling the project_issues parameter. A remote attacker can supply a specially crafted parameter value to execute arbitrary script in a user's browser.
How to mitigate CVE-2025-62365
Install security update from vendor's website.