<?php
function gog_iframe_overrides($html, $url, $attr) {
if (strpos( $html, "<iframe" ) !== false) {
return str_replace('sandbox="allow-scripts"', 'sandbox="allow-scripts allow-same-origin"', $html);
}
else {
return $html;
}
}
add_filter('embed_oembed_html', 'gog_iframe_overrides', 10, 3);