Lack of sanitization of user data

Docs > Code Analysis > Static Analysis Rules > Lack of sanitization of user data

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Metadata

ID: python-django/http-response-from-request

Language: Python

Severity: Error

Category: Security

CWE: 22

Description

The response sent with an HttpResponse contains unsanitized request data. The data should be sanitized before being returns in an HttpResponse.

Learn More

CWE-20: Improper Input Validation

Non-Compliant Code Examples

def execute_command(request):
    data = request.GET.get("data")
    print("foobar")
    foo = HttpResponse("data: '{0}'".format(data))
    foo = HttpResponse(data)
    return HttpResponse("data: '{0}'".format(data))

Compliant Code Examples

def execute_command(request):
    data = request.GET.get("data")
    print("foobar")
    return HttpResponse("user '{user}' does not exist".format(sanitize_data(data)))