    public function validateChildren($tokens_of_children, $config, $context) {
        if ($context->get('IsInline') === false) {
            return $this->block->validateChildren(
                $tokens_of_children, $config, $context);
        } else {
            return $this->inline->validateChildren(
                $tokens_of_children, $config, $context);
        }
    }
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.