Index: index.php
===================================================================
--- index.php	(revision 45407)
+++ index.php	(working copy)
@@ -55,4 +55,4 @@
 	__( 'https://make.wordpress.org/core/handbook/tutorials/installing-wordpress-locally/' )
 ) . '</p>';
 
-wp_die( $die, __( 'WordPress &rsaquo; Error' ) );
+wp_die( $die, esc_html( 'WordPress &rsaquo; Error' ) );