CVE-2026-33276
Medium
Description
Stored cross-site scripting (XSS) in Checkmk 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create hosts or services to execute arbitrary JavaScript in the browsers of other users performing searches in the Unified Search feature.
SeverityMedium
CVSS5.4
Exploit probability—
ProductCheckmk
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| checkmk checkmk | 2.5.0 | — |
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