            $element = $this->addBlankElement($name);
            $element->attr['name'] = 'CDATA';
            if (!$config->get('HTML.Attr.Name.UseCDATA')) {
                $element->attr_transform_post[] = new HTMLPurifier_AttrTransform_NameSync();
            }
        }
    }
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.