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CVE-2026-33276

XSS in Unified Search via Unescaped Host/Service Names

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.5.0b2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Checkmk GmbH Checkmk

    From 2.5.0b1 · fixed in 2.5.0b2

References 1

checkmk.com