    public function testIndefiniteNesting()
    {
        $parser = new JBBCode\Parser();
        $parser->addBBCode('b', '<strong>{param}</strong>', false, true, -1);
        $parser->parse('[b][b][b][b][b][b][b][b]bold text[/b][/b][/b][/b][/b][/b][/b][/b]');
        $this->assertEquals('<strong><strong><strong><strong><strong><strong><strong><strong>' .
                'bold text' .
                '</strong></strong></strong></strong></strong></strong></strong></strong>',
                $parser->getAsHtml());
    }
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.