HarborGuard / CVE
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HIGHCVE-2026-33276Published Modified CNA Checkmk

CVE-2026-33276: XSS in Unified Search via Unescaped Host/Service Names

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.

Metrics

CVSS v4.0
8.6
Severity
HIGH
Fixed in
2.5.0b2
Affected Products
1

Fix available

2.5.0b2
Affected packages
  • Checkmk GmbH / Checkmk
    < 2.5.0b2 (from 2.5.0b1)
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:L/SA:N
References