How to Get WordPress to Support Jfif File Type Extension

So WordPress natively at the time of this writing does not support jfif as a file extension type you can upload in the media library, when you try to upload a jfif file in the add media section you will get a WordPress Sorry, this file type is not permitted for security reasons error.  A jpg is really a Jfif so realistically this is just about having WordPress not block this file type by default … Read more