[wp-trac] [WordPress Trac] #39550: Some Non-image files fail to upload after 4.7.1

[WordPress Trac]

#39550: Some Non-image files fail to upload after 4.7.1
---------------------------+------------------------
 Reporter:  greatislander  |       Owner:  joemcgill
     Type:  defect (bug)   |      Status:  assigned
 Priority:  normal         |   Milestone:  4.7.2
Component:  Upload         |     Version:  trunk
 Severity:  normal         |  Resolution:
 Keywords:  needs-patch    |     Focuses:
---------------------------+------------------------

Comment (by stevengliebe):

 I have been allowing the upload of proprietary .wie files in my Widget
 Importer & Exporter plugin.

 {{{#!php
 <?php
 function wie_add_mime_types( $mime_types ) {

         $mime_types['wie'] = 'application/json';

         return $mime_types;

 }

 add_filter( 'upload_mimes', 'wie_add_mime_types' );
 }}}

 This no longer works as of 4.7.1 without ALLOW_UNFILTERED_UPLOADS set
 true. In Media it will return "Sorry, this file type is not permitted for
 security reasons". Downgrading to 4.7 causes it to work again.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39550#comment:12>
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