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:
    public function __construct($config = null)
    {
        $this->config = HTMLPurifier_Config::create($config);
        $this->strategy = new HTMLPurifier_Strategy_Core();
    }