add_filter('woocommerce_attribute','twf_render_iframe_from_attribute',10,3);function twf_render_iframe_from_attribute($value,$slug,$product){//Only apply to a specific attribute slug (e.g.,'video') if ($slug==='video'){//Decode HTML entities $decoded=html_entity_decode($value);//Remove automatic paragraph tags and line breaks $clean=wp_kses_post($decoded);//Keeps safe HTML like <iframe> $clean=wpautop($clean);//Format nicely (optional) return $clean}return $value;}