diff --git a/src/wp-admin/includes/plugin-install.php b/src/wp-admin/includes/plugin-install.php
index 8d3ee90..d2e80c4 100644
--- a/src/wp-admin/includes/plugin-install.php
+++ b/src/wp-admin/includes/plugin-install.php
@@ -362,7 +362,8 @@ function install_plugin_information() {
 		'div' => array( 'class' => array() ), 'span' => array( 'class' => array() ),
 		'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),
 		'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),
-		'img' => array( 'src' => array(), 'class' => array(), 'alt' => array() )
+		'img' => array( 'src' => array(), 'class' => array(), 'alt' => array() ),
+		'iframe' => array( 'width' => array(), 'height' => array(), 'frameborder' => array(), 'allowfullscreen' => array(), 'src' => array() )
 	);
 
 	$plugins_section_titles = array(