Language: PHP
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:
                $this->emitToken(
                    array(
                        'type' => self::CHARACTR,
                        'data' => '</'
                    )
                );

                $this->char--;
                $this->state = 'data';

            } else {
                /* Parse error. Switch to the bogus comment state. */
                $this->state = 'bogusComment';
            }
        }