Ticket #32816: #32816.patch

wp-admin/js/customize-nav-menus.js

@@ -537 +537 @@
                                 itemName = $( '#custom-menu-item-name' ),
                                 itemUrl = $( '#custom-menu-item-url' );
 
+            var regex = new RegExp("^(http[s]?:\\/\\/(www\\.)?|ftp:\\/\\/(www\\.)?|www\\.){1}([0-9A-Za-z-\\.@:%_\+~#=]+)+((\\.[a-zA-Z]{2,3})+)(/(.)*)?(\\?(.)*)?");
+
                         if ( ! this.currentMenuControl ) {
                                 return;
                         }
@@ -544 +546 @@
                         if ( '' === itemName.val() ) {
                                 itemName.addClass( 'invalid' );
                                 return;
-                        } else if ( '' === itemUrl.val() || 'http://' === itemUrl.val() ) {
+                        } else if ( '' === itemUrl.val()  || regex.test(itemUrl.val()) == false ) {
                                 itemUrl.addClass( 'invalid' );
                                 return;
                         }