Ticket #30392: 30392.2.patch

src/wp-includes/js/media-views.js

@@ -3767 +3767 @@
                                 return;
                         }
 
-                        tabbables = this.$( ':tabbable' );
+                        tabbables = this.$( ':tabbable' ).not( 'input[type="file"]' );
 
                         // Keep tab focus within media modal while it's open
                         if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {