CVE-2026-20915 — Stored cross-site scripting in Pending Changes sidebar

CVE-2026-20915

Stored cross-site scripting in Pending Changes sidebar PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Checkmk GmbH / Checkmk	affected 2.5.0b1 before 2.5.0b2

CWE

CWE-79

References

https://checkmk.com/werk/19526

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.