diff --git a/wp-admin/edit-form-advanced.php b/wp-admin/edit-form-advanced.php
index 1eb3365e2e..96c0f3f785 100644
--- a/wp-admin/edit-form-advanced.php
+++ b/wp-admin/edit-form-advanced.php
@@ -595,7 +595,7 @@ else
 <div id="post-body-content" class="has-sidebar-content">
 <div id="titlediv">
 <div id="titlewrap">
-	<input type="text" name="post_title" size="30" tabindex="1" value="<?php echo attribute_escape($post->post_title); ?>" id="title" autocomplete="off" />
+	<input type="text" name="post_title" size="30" tabindex="1" value="<?php echo attribute_escape( htmlspecialchars( $post->post_title ) ); ?>" id="title" autocomplete="off" />
 </div>
 <div class="inside">
 <?php $sample_permalink_html = get_sample_permalink_html($post->ID); ?>
diff --git a/wp-admin/edit-page-form.php b/wp-admin/edit-page-form.php
index 1050c2baae..5af9821a33 100644
--- a/wp-admin/edit-page-form.php
+++ b/wp-admin/edit-page-form.php
@@ -443,7 +443,7 @@ $side_meta_boxes = do_meta_boxes('page', 'side', $post);
 
 <div id="titlediv">
 <div id="titlewrap">
-  <input type="text" name="post_title" size="30" tabindex="1" value="<?php echo attribute_escape( $post->post_title ); ?>" id="title" autocomplete="off" />
+  <input type="text" name="post_title" size="30" tabindex="1" value="<?php echo attribute_escape( htmlspecialchars( $post->post_title ) ); ?>" id="title" autocomplete="off" />
 </div>
 <div class="inside">
 <?php $sample_permalink_html = get_sample_permalink_html($post->ID); ?>