How to allow data:image attribute in src tag during post insert?
Thanks to naththedeveloper from StackOverflow. His answer worked for me. Well, this was a nightmare to find, but I think I’ve resolved it after digging through the WordPress code which hooks in through wp_insert_post. Please add this to your functions.php file and check it works: add_filter(‘kses_allowed_protocols’, function ($protocols) { $protocols[] = ‘data’; return $protocols; }); … Read more