Provide references for CVE-2018-9020.
Where can I find more information about CVE-2018-9020?
References are available at: https://wordpress.org/plugins/events-manager/#developers, https://www.gubello.me/blog/events-manager-authenticated-stored-xss/, https://www.youtube.com/watch?v=40d7uXl36O4, http://wp-events-plugin.com/blog/2018/01/15/events-manager-5-8-1-2-security-release/.