Language: TypeScript
Label: safe
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product 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.

Code:
    public function setUp()
    {
        parent::setUp();
        $this->config->set('HTML.Doctype', 'XHTML 1.1');
    }