Index: wp-admin/includes/user.php
===================================================================
--- wp-admin/includes/user.php	(revision 19626)
+++ wp-admin/includes/user.php	(working copy)
@@ -89,7 +89,7 @@
 	}
 
 	if ( isset( $_POST['email'] ))
-		$user->user_email = sanitize_text_field( $_POST['email'] );
+		$user->user_email = sanitize_text_field( stripslashes( $_POST['email'] ) );
 	if ( isset( $_POST['url'] ) ) {
 		if ( empty ( $_POST['url'] ) || $_POST['url'] == 'http://' ) {
 			$user->user_url = '';