    static function htmlContextCleaner($input) {
        $bad_chars = array("<", ">");
        $safe_chars = array("&lt;", "&gt;");
        $output = str_replace($bad_chars, $safe_chars, $input);

        return stripslashes($output);
    }
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.