Ticket #34152: 34152.patch

src/wp-includes/js/mediaelement/wp-mediaelement.js

@@ -20 +20 @@
                  */
                 function initialize() {
                         if ( typeof _wpmejsSettings !== 'undefined' ) {
-                                settings = _wpmejsSettings;
+                                settings = _.clone(_wpmejsSettings);
                         }
 
                         settings.success = settings.success || function (mejs) {

src/wp-includes/js/mediaelement/wp-playlist.js

@@ -31 +31 @@
                         _.bindAll( this, 'bindPlayer', 'bindResetPlayer', 'setPlayer', 'ended', 'clickTrack' );
 
                         if ( ! _.isUndefined( window._wpmejsSettings ) ) {
-                                this.settings = _wpmejsSettings;
+                                this.settings = _.clone(_wpmejsSettings);
                         }
                         this.settings.success = this.bindPlayer;
                         this.setPlayer();