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You have a Django form that raises a CSRF verification failed error. Which of the following is the most likely cause?

medium📝 Debug Q14 of 15
Django - Security Best Practices
You have a Django form that raises a CSRF verification failed error. Which of the following is the most likely cause?
AThe {% csrf_token %} tag is missing inside the form
BThe form uses GET method instead of POST
CThe form action URL is incorrect
DThe form has no submit button
Step-by-Step Solution
Solution:

  1. Step 1: Identify cause of CSRF verification failure

    CSRF verification fails when the token is missing or invalid in POST requests.

  2. Step 2: Check each option's relevance

    Missing the {% csrf_token %} tag inside the form causes the token to be absent from the request. Options A, C, and D do not directly cause CSRF errors.

  3. Final Answer:

    The {% csrf_token %} tag is missing inside the form -> Option A

  4. Quick Check:

    Missing {% csrf_token %} causes CSRF failure [OK]
Quick Trick: Always include {% csrf_token %} in POST forms [OK]
Common Mistakes:
MISTAKES
  • Thinking GET method causes CSRF errors
  • Blaming wrong form action for CSRF failure
  • Assuming submit button absence triggers CSRF error

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