This plugin integrates the CCM19 Cookie Consent Manager into WordPress. This allows to use CCM19 without manually modifying the theme or resorting to a generic snippet plugin.
To use it, purchase a license or sign up for a free account on https://www.ccm19.de. Copy and paste the code snippet from the CCM19 dashboard into the settings of the plugin in the WordPress administration.
The terms and conditions of CCM19: https://www.ccm19.de/agb.html.