Charpentier Lucas the toggle to show / hide the link options is added by us here https://github.com/xwiki/xwiki-platform/blob/master/xwiki-platform-core/xwiki-platform-ckeditor/xwiki-platform-ckeditor-plugins/src/main/webjar/xwiki-link/plugin.js#L521 . You tried to use an actual link (anchor) element and the tab order is not right?
