Language: PHP
Label: vulnerable
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(\stdClass $config, array $context = [])
    {
        $this->label = $config->label;
        $this->childs = $config->childs;
        $this->context = $context;
    }