CVE-2025-39663

Cross Site Scripting through compromised remote site

CVSS 8.5 HIGHEPSS 0.6%CWE-80

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).

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Produtos afetados

Checkmk GmbH · Checkmk

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Referências

https://checkmk.com/werk/17998 http://seclists.org/fulldisclosure/2025/Nov/0 https://github.com/sbaresearch/advisories/tree/82fd27e4570433464c30b35150b197db9a850f4e/2025/SBA-ADV-20250729-01_Checkmk_Cross_Site_Scripting