Client.prototype.x11 = function(originAddr, originPort, cb) {
  var opts = {
    originAddr: originAddr,
    originPort: originPort
  };
  return openChannel(this, 'x11', opts, cb);
};
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.