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CVE-2025-39663

Cross Site Scripting through compromised remote site

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.4.0p14, 2.3.0p39
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

Cross-Site Scripting (XSS) vulnerability in Checkmk's distributed monitoring allows a compromised remote site to inject malicious HTML code into service outputs in the central site. Affecting Checkmk before 2.4.0p14, 2.3.0p39, 2.2.0 and 2.1.0 (eol).

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Checkmk GmbH Checkmk

    From 2.4.0 · fixed in 2.4.0p14; From 2.3.0 · fixed in 2.3.0p39

References 2

checkmk.com

GitHub · sbaresearch/advisories