CVE-2023-4981

Cross-site Scripting (XSS) - DOM in librenms/librenms

8.8 HighFix available

Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.66%Up 0.6 points since Sep 15, 2023

What each source reports

CVE List Score used 8.8

Cross-site Scripting (XSS) - DOM in librenms/librenms

Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.

Record: CVE-2023-4981
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-2435 8.8

Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.

Record: EUVD-2023-2435
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5jjm-qp48-qp86 5.4

LibreNMS Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.

Record: GHSA-5jjm-qp48-qp86
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.4

Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.

Record: CVE-2023-4981
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

OSV 8.8

Cross-site Scripting (XSS) - DOM in librenms/librenms

Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.

Record: CVE-2023-4981
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-5jjm-qp48-qp86 5.4

LibreNMS Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - DOM in GitHub repository librenms/librenms prior to 23.9.0.

Record: GHSA-5jjm-qp48-qp86
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`librenms/librenms` Packagist	before 23.9.0	23.9.0
`librenms/librenms` Packagist	before 23.9.0, plus listed versions 1.191.201.20.11.211.22 Show 45 moreShow less 1.22.011.231.241.251.261.271.281.291.301.30.011.311.31.011.31.021.31.031.321.32.011.331.33.011.341.351.361.36.011.371.381.391.401.411.421.42.011.431.441.451.461.471.481.48.11.491.501.50.11.511.521.531.53.11.541.55	23.9.0

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-4981 is a high vulnerability (CVSS 8.8) in Librenms, published September 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. Fixed in librenms/librenms 23.9.0.

References

This page doesn't list everything

Left out here: 64 versions. The JSON record has them.