Currently, the headless scanner extension expects an XML based configuration file and this works ok. But, making the XML is cumbersome and also requires that most of the request URLs be wrapped in CDATA blocks.

IMHO, this would be much simpler, cleaner and much more concise in JSON than in XML, Also, the configuration files for Burp itself seem to be JSON based. So, this move will make it sor

Steps to reproduce:

1. Download http://petstore.swagger.io/v2/swagger.json
2. Open swagger.json in Swagger Parser
3. Find the POST /pet endpoint and click "send to repeater"

POST /v2/pet HTTP/1.1
Host: petstore.swagger.io
Accept: application/xml, application/json
Content-Type: application/json, application/xml

id={integer}&id={integer}&name={string}&name={string}&photoUrls={array}