Ticket #28704: 28704.diff

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

@@ -4784 +4784 @@
                  * @param {Object} event
                  */
                 arrowEvent: function( event ) {
+                        // Skip arrow navigation when event is inside an input field
+                        if ( 'input' === event.target.tagName.toLowerCase() ) {
+                                return;
+                        }
                         var attachment = $('.attachments-browser .attachment'),
                                 attachmentsWidth = $('.attachments-browser .attachments').width(),
                                 thumbnailWidth = attachment.first().innerWidth() + 16,