CVE-2025-39663

CVE-2025-39663: XSS in Checkmk’s distributed monitoring allows a compromised remote site to inject malicious HTML into service outputs at the central site. Affected versions: Checkmk older than 2.4.0p14, 2.3.0p39, 2.2.0, and 2.1.0 (eol). Root cause: cross-site scripting via trusted/compromised re...