Index: wp-includes/pluggable.php
===================================================================
--- wp-includes/pluggable.php	(revision 6065)
+++ wp-includes/pluggable.php	(working copy)
@@ -383,6 +383,8 @@
 	}
 	if ( !wp_login( $user, $pass, true ) )
 		die('-1');
+
+	wp_set_current_user(0, $user);
 	do_action('check_ajax_referer');
 }
 endif;