WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system, referred to within WordPress as Themes
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There are many different plugins for Wordpress that allow you to setup SSO using different authentication methods. The plugin that is explained in this tutorial is "OpenID Connect Generic" version 3.8.5 by daggerhart. This plugin uses OpenID/OAUTH2 and is free without paywalls or subscriptions at the time of writing this. The plugin is available for free in the Wordpress Plugin gallery.
- End Session Endpoint URL: `https://authentik.company/application/o/wordpress/end-session/`
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Review each setting and choose the ones that you require for your installation. Examples of popular settings are _Link Existing Users_, _Create user if does not exist_, and _Enforce Privacy_