How to Fix the “Sorry, This File Type Is Not Permitted for Security Reasons”
Error in WordPress
WordPress Allowed File Types
// Allow Unfiltered Uploads in Your wp-config.php File
define('ALLOW_UNFILTERED_UPLOADS', true);
// wp-config.php
// You can add the following code to the file,
// anywhere above the line reading near line no. 75 to 90,