Allowing .exe uploads (old WPSE posts no longer work)

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I need to allow .exe file uploads through the admin media manager. So far I have tried

function enable_extended_upload ( $mime_types = array() ) {
    $mime_types['exe']  = 'application/octet-stream';

    return $mime_types;
}
add_filter('upload_mimes', 'enable_extended_upload');

Three different sources have given me three different mime types for .exe. They are application/octet-stream, application/exe, and application/x-msdownload. None have worked.

Since my site happens to be a network, I’ve tried to whitelist the filetype under Network Settings -> Upload Settings, like so

files

It didn’t work either.

The only thing that works is setting the constant define('ALLOW_UNFILTERED_UPLOADS', true); in wp-config.php, AND having the above mime type snippet, but is not the ideal solution since all files will be allowed.

How can I whitelist .exe nowadays?

2 Answers
2

WordPress provide a hook to change the default mime types, like your hint in the question. The follow small code source demonstrated the change to allow a exe-file.

add_filter( 'upload_mimes', 'fb_enable_extended_upload' );
function fb_enable_extended_upload ( array $mime_types = [] ) {

   $mime_types[ 'exe' ]  = 'application/exe'; 

   return $mime_types;
}

It is not necessary to change the database entry upload_filetypes.

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