A potentially dangerous Request.Path value was detected from the client (*)

Question

I am receiving the rather self explanatory error:

A potentially dangerous Request.Path value was detected from the client (*).

T

Answer 1

For me, when typing the url, a user accidentally used a / instead of a ? to start the query parameters

e.g.:

url.com/endpoint/parameter=SomeValue&otherparameter=Another+value

which should have been:

url.com/endpoint?parameter=SomeValue&otherparameter=Another+value