def show_student_extensions(request, course_id):
    """
    Shows all of the due date extensions granted to a particular student in a
    particular course.
    """
    student = require_student_from_identifier(request.POST.get('student'))
    course = get_course_by_id(SlashSeparatedCourseKey.from_deprecated_string(course_id))
    return JsonResponse(dump_student_extensions(course, student))
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.