What’s Vulnerable › Vulnerabilities

CVE-2023-4979: Cross-site Scripting (XSS) - Reflected in librenms/librenms

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-15 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• librenms: before 23.9.0 — fixed in 23.9.0

How to fix

Upgrade to a fixed version: librenms 23.9.0. Check the vendor advisory for mitigations.

References

• https://github.com/librenms/librenms/commit/49d66fa31b43acef02eaa09ee9af15fe7e16cd03
• https://huntr.dev/bounties/e67f8f5d-4048-404f-9b86-cb6b8719b77f
• https://github.com/librenms/librenms/commit/49d66fa31b43acef02eaa09ee9af15fe7e16cd03
• https://huntr.dev/bounties/e67f8f5d-4048-404f-9b86-cb6b8719b77f

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