A vulnerability was found in Checkmk up to 2.3.0p42/2.4.0p21. It has been declared as problematic. This affects an unknown part of the component Synthetic Monitoring HTML Log. The manipulation results in HTML injection.
This vulnerability is identified as CVE-2025-64999. The attack can be executed remotely. There is not any exploit available.
It is recommended to upgrade the affected component.
