    public function testUnclosedWithinClosed()
    {
        $this->assertProduces('[url=http://jbbcode.com][b]oh yeah[/url]',
                              '<a href="http://jbbcode.com"><strong>oh yeah</strong></a>');
    }
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.