What’s Vulnerable › Vulnerabilities
CVE-2026-33276: XSS in Unified Search via Unescaped Host/Service Names
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-31 · updated 2026-07-24
- Weakness: CWE-79
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.
Affected products
- Checkmk GmbH Checkmk: 2.5.0-b1
References
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