diff --git a/app/code/Magento/Newsletter/view/adminhtml/templates/preview/iframeswitcher.phtml b/app/code/Magento/Newsletter/view/adminhtml/templates/preview/iframeswitcher.phtml
index 99342fd9d81ba..f23c0222e8cf8 100644
--- a/app/code/Magento/Newsletter/view/adminhtml/templates/preview/iframeswitcher.phtml
+++ b/app/code/Magento/Newsletter/view/adminhtml/templates/preview/iframeswitcher.phtml
@@ -1,10 +1,11 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
  */
 
 /** @var \Magento\Backend\Block\Page $block */
+/** @var \Magento\Framework\Escaper $escaper */
 /** @var \Magento\Framework\View\Helper\SecureHtmlRenderer $secureRenderer */
 ?>
 <div id="preview" class="cms-revision-preview">
@@ -20,7 +21,7 @@
         id="preview_iframe"
         class="preview_iframe"
         frameborder="0"
-        title="<?= $block->escapeHtmlAttr(__('Preview')) ?>"
+        title="<?= $escaper->escapeHtmlAttr(__('Preview')) ?>"
         width="100%"
         sandbox="allow-forms allow-pointer-lock allow-same-origin"
     >
@@ -55,7 +56,7 @@ function unBlockPreview() {
 jQuery(document).ready(preview);
 jQuery(previewIframe).ready(unBlockPreview);
 
-jQuery("#preview_iframe").load(function() {
+jQuery("#preview_iframe").on('load', function() {
     jQuery(this).height(jQuery(this).contents().find("html").height() );
 });