cvedb.io
CVE-2026-20915
MEDIUM · CVSS 5.4
EPSS exploitation probability: 0%
Published 2026-03-31T15:16:11.527 · Last modified 2026-06-17T10:18:01.467

Summary

Stored cross-site scripting (XSS) in Checkmk version 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create pending changes to inject malicious JavaScript into the Pending Changes sidebar, which will execute in the browsers of other users viewing the sidebar.

Affected products

checkmk — checkmk

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.