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Given this Django view and template snippet, what happens if the CSRF token is missing in the POST request?

medium📝 component behavior Q13 of 15
Django - Security Best Practices
Given this Django view and template snippet, what happens if the CSRF token is missing in the POST request?
def submit_view(request):
    if request.method == 'POST':
        return HttpResponse('Success')
    return render(request, 'form.html')


AThe form will automatically add the CSRF token
BThe POST request will succeed and return 'Success'
CThe server will crash with an exception
DThe POST request will be rejected with a 403 Forbidden error
Step-by-Step Solution
Solution:
  1. Step 1: Understand CSRF token role in POST

    Django requires a valid CSRF token in POST requests to prevent forgery attacks.
  2. Step 2: Analyze missing token effect

    Since the form omits {% csrf_token %}, the POST request lacks the token, so Django rejects it with a 403 Forbidden error.
  3. Final Answer:

    The POST request will be rejected with a 403 Forbidden error -> Option D
  4. Quick Check:

    Missing CSRF token = 403 error [OK]
Quick Trick: Missing CSRF token in POST causes 403 error [OK]
Common Mistakes:
MISTAKES
  • Assuming POST succeeds without token
  • Thinking server crashes instead of 403
  • Believing token is added automatically

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