Bug Report: Unhandled exception "IndexError: list index out of range" (#3e88db5a)

[commixreporter]

Commix version: 4.0-stable
Python version: 3.12.8
Operating system: posix
Command line: commix.py -r ************* --random-agent --tamper=space2ifs,base64encode -v1

Traceback (most recent call last):
  File \"commix.py", line 36, in <module>
    main()
  File \"commix.py", line 31, in main
    import src.core.main
  File \"main.py", line 902, in <module>
    main(filename, url, http_request_method)
  File \"main.py", line 560, in main
    controller.do_check(url, http_request_method, filename)
  File \"controller.py", line 744, in do_check
    perform_checks(url, http_request_method, filename)
  File \"controller.py", line 707, in perform_checks
    data_checks(url, http_request_method, filename, timesec)
  File \"controller.py", line 628, in data_checks
    if get_request(url, http_request_method, filename, timesec) is None:
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File \"controller.py", line 591, in get_request
    do_injection(found_url, settings.HTTPMETHOD.GET, header_name, url, http_request_method, filename, timesec)
  File \"controller.py", line 577, in do_injection
    injection_proccess(url, check_parameter, http_request_method, filename, timesec)
  File \"controller.py", line 368, in injection_proccess
    url = code_injections_heuristic_basic(url, http_request_method, check_parameter, the_type, header_name, inject_http_headers)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File \"controller.py", line 186, in code_injections_heuristic_basic
    response, url = heuristic_request(url, http_request_method, check_parameter, payload, whitespace)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File \"controller.py", line 86, in heuristic_request
    payload = checks.perform_payload_modification(payload)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File \"checks.py", line 1838, in perform_payload_modification
    settings.RAW_PAYLOAD = payload.replace(settings.WHITESPACES[0], settings.SINGLE_WHITESPACE)
                                           ~~~~~~~~~~~~~~~~~~~~^^^
IndexError: list index out of range

[stasinopoulos]

Not able to reproduce using the provided flags: