Cross-site scripting in LibreNMS - CVE-2024-51495
Published: November 15, 2024 / Updated: May 5, 2026
Vulnerability identifier: #VU129726
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-51495
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 execute arbitrary JavaScript in other users' sessions.
The vulnerability exists due to improper neutralization of input during web page generation in dev-overview-data.inc.php when rendering the user-supplied "overwrite_ip" value on the device overview page. A remote privileged user can inject a specially crafted "overwrite_ip" parameter while editing a device to execute arbitrary JavaScript in other users' sessions.
User interaction is required when another user visits the device overview page.
How to mitigate CVE-2024-51495
Install security update from vendor's website.