Zero-Width Characters in Header Names

Item	Description
Full Fuzzer Name	ZeroWidthCharsInNamesHeadersFuzzer
Log Key	ZWCIN
Description	This fuzzer will send zero-width characters in header names. The expectation is that APIs will reject the request as invalid.
Enabled by default?	Yes
Target field types	All
Expected result when fuzzed field is required	4XX
Expected result when fuzzed field is optional	4XX
Expected result when fuzzed value is not matching field pattern	4XX
Fuzzing logic	Iteratively inserts zero-width characters in header names
Conditions when this fuzzer will be skipped	None
HTTP methods that will be skipped	None
Reporting	Reports error if: 1. response code is 404; 2. response code is documented, but not expected; 3. any unexpected exception. Reports warn if: 1. response code is expected and documented, but not matches response schema; 2. response code is expected, but not documented; 3. response code is 501. Reports success if: 1. response code is expected, documented and matches response schema.