As chained url encoded parameters? http://example.com/exec?http%3A%2F%2Fexample.com%2Fsum%3Fhttp%253A%252F%252Ffortytwo-as-a-service.herokuapp.com%252F%26http%2

As chained url encoded parameters? http://example.com/exec?http%3A%2F%2Fexample.com%2Fsum%3Fhttp%253A%252F%252Ffortytwo-as-a-service.herokuapp.com%252F%26http%253A%252F%252Ftwo-as-a-service.herokuapp.com%252F http://example.com/exec?http%3A%2F%2Fexample.com%2Fsum%3Fhtt...