WP File Manager

Name	Action
..
comments.php	Edit
embed-404.php	Edit
embed-content.php	Edit
embed.php	Edit
footer-embed.php	Edit
footer.php	Edit
header-embed.php	Edit
header.php	Edit
sidebar.php	Edit

Editing: embed.php

<?php /** * Contains the post embed base template * * When a post is embedded in an iframe, this file is used to create the output * if the active theme does not include an embed.php template. * * @package WordPress * @subpackage oEmbed * @since 4.4.0 */ get_header( 'embed' ); if ( have_posts() ) : while ( have_posts() ) : the_post(); get_template_part( 'embed', 'content' ); endwhile; else : get_template_part( 'embed', '404' ); endif; get_footer( 'embed' );