CVE-2025-39663 Cross Site Scripting through compromised remote site

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...

PT-2025-44396

Name of the Vulnerable Software and Affected Versions Checkmk versions prior to 2.4.0p14 Checkmk versions prior to 2.3.0p39 Checkmk versions 2.2.0 Checkmk version 2.1.0 Description A Cross-Site Scripting XSS issue exists in Checkmk's distributed monitoring functionality. A compromised remote site...