CVE-2023-4347

Name: CVE-2023-4347
Creator: NVD / NIST
Published: 2023-08-15T02:15:48.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 66.88%

Last modified Jun 17, 2026

CVE-2023-4347 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross-site Scripting (XSS) - Reflected in GitHub repository librenms/librenms prior to 23.8.0.. EPSS estimates a 66.88% chance of exploitation in the next 30 days.

Description

Cross-site Scripting (XSS) - Reflected in GitHub repository librenms/librenms prior to 23.8.0.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

66.88%

99.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Librenms	Librenms	< 23.8.0

References

https://github.com/librenms/librenms/commit/91c57a1ee54631e071b6b0c952d99c8ee892e824Patch
https://huntr.dev/bounties/1f78c6e1-2923-46c5-9376-4cc5a8f1152fExploit, Third Party Advisory
https://github.com/librenms/librenms/commit/91c57a1ee54631e071b6b0c952d99c8ee892e824Patch
https://huntr.dev/bounties/1f78c6e1-2923-46c5-9376-4cc5a8f1152fExploit, Third Party Advisory

Timeline

Published: Aug 15, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4347?

Cross-site Scripting (XSS) - Reflected in GitHub repository librenms/librenms prior to 23.8.0.

How severe is CVE-2023-4347?

CVE-2023-4347 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 66.88% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4347?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4347?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST