Provide references for CVE-2021-44223.
Where can I find more information about CVE-2021-44223?
References are available at: https://vavkamil.cz/2021/11/25/wordpress-plugin-confusion-update-can-get-you-pwned/, https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-header-in-wordpress-5-8/.