    public static function restoreX2WebUser () {
        if (isset (self::$_oldUserComponent)) {
            Yii::app()->setComponent ('user', self::$_oldUserComponent);
        } else {
            throw new CException ('X2WebUser component could not be restored'); 
        }
    }
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.