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Checkmk security vulnerabilities

🗓️ 26 Feb 2026 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd
 cnnvd
🔗 www.cnnvd.org.cn👁 33 Views

Checkmk old versions have JavaScript injection in Synthetic Monitoring logs via host checks, enabling phishing links.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2025-64999
26 Feb 202610:26
–attackerkb
circl
Circl
CVE-2025-64999
26 Feb 202613:18
–circl
cve
CVE
CVE-2025-64999
26 Feb 202610:26
–cve
cvelist
Cvelist
CVE-2025-64999 Cross-site scripting in HTML logs of Synthetic Monitoring test services
26 Feb 202610:26
–cvelist
euvd
EUVD
EUVD-2025-208119
26 Feb 202612:30
–euvd
mend
Mend
CVE-2025-64999
26 Feb 202610:26
–mend
nvd
NVD
CVE-2025-64999
26 Feb 202611:16
–nvd
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2025-64999
26 Feb 202611:16
–osv_ubuntu
packetstorm
Packet Storm
📄 Checkmk 2.4.0p21 Cross Site Scripting
2 Mar 202600:00
–packetstorm
ptsecurity
Positive Technologies
PT-2026-22137
26 Feb 202600:00
–ptsecurity
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28 May 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.15.4
CVSS 47.3
EPSS0.00168
SSVC
33