// allow script & iframe tag within posts function allow_post_tags( $allowedposttags ){ $allowedposttags['script'] = array( 'type' => true, 'src' => true, 'height' => true, 'width' => true, ); $allowedposttags['iframe'] = array( 'src' => true, 'width' => true, 'height' => true, 'class' => true, 'frameborder' => true, 'webkitAllowFullScreen' => true, 'mozallowfullscreen' => true, 'allowFullScreen' => true ); return $allowedposttags; } add_filter('wp_kses_allowed_html','allow_post_tags', 1);