    public function validate($number, $config, $context) {
        $result = parent::validate($number, $config, $context);
        if ($result === false) return $result;
        $float = (float) $result;
        if ($float < 0.0) $result = '0';
        if ($float > 1.0) $result = '1';
        return $result;
    }
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.