Ticket #22868: 22868.diff

wp-admin/includes/media.php

@@ -1417 +1417 @@
                 $item .= '<input type="hidden" name="' . esc_attr( $hidden_field ) . '" value="' . esc_attr( $value ) . '" />' . "\n";
         }
 
+        $item = '<input type="hidden" name="attachments[' . $attachment_id . '][menu_order]" value="' . esc_attr( $post->menu_order ) . '" />' . $item;
+
         return array(
                 'item'   => $item,
                 'meta'   => $media_meta,