diff --git a/wp-admin/admin-post.php b/wp-admin/admin-post.php
index f4af998e33..6b5bdd353d 100644
--- a/wp-admin/admin-post.php
+++ b/wp-admin/admin-post.php
@@ -14,6 +14,9 @@ if ( defined('ABSPATH') )
 else
 	require_once('../wp-load.php');
 
+/** Allow for cross-domain requests (from the frontend). */
+send_origin_headers();
+
 require_once(ABSPATH . 'wp-admin/includes/admin.php');
 
 nocache_headers();