      return txt.replace(/[&<>]/gm, (str) => {
        if (str === "&") return "&amp;";
        if (str === "<") return "&lt;";
        if (str === ">") return "&gt;";
      });
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.