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Medium severity5.4NVD Advisory· Published Mar 31, 2026· Updated Apr 2, 2026

CVE-2026-20915

CVE-2026-20915

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Checkmk/Checkmk2 versions
    cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*
    • (no CPE)range: >= 2.5.0 (beta) < 2.5.0b2

Patches

Vulnerability mechanics

References

1

News mentions

0

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