  text(notificationName, data) {
    const username = formatUsername(data.display_username);

    let description;
    if (data.topic_title) {
      description = `<span data-topic-id="${this.attrs.topic_id}">${data.topic_title}</span>`;
    } else {
      description = this.description(data);
    }

    return I18n.t(data.message, { description, username });
  },
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.