In a Django template, if you apply the safe filter to {{ user_input|safe }} where user_input contains malicious JavaScript, what is the consequence?

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Django - Security Best Practices

In a Django template, if you apply the safe filter to {{ user_input|safe }} where user_input contains malicious JavaScript, what is the consequence?

ADjango will sanitize the script automatically.

BThe malicious script will be rendered and executed in the browser.

CThe script will be escaped and shown as text.

DThe template will raise a rendering error.

Step-by-Step Solution

Solution:

Step 1: Understand the 'safe' filter effect
The 'safe' filter tells Django not to escape the variable, rendering it as raw HTML.
Step 2: Recognize security implications
If the input contains malicious JavaScript, it will be executed by the browser, causing an XSS vulnerability.
Final Answer:
The malicious script will be rendered and executed in the browser. -> Option B
Quick Check:
'safe' disables escaping, enabling script execution [OK]

Quick Trick: 'safe' disables escaping; use cautiously [OK]

Common Mistakes:

MISTAKES

Assuming Django sanitizes input with 'safe'
Believing scripts are always escaped
Thinking template errors occur on unsafe input

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More Django Quizzes

In a Django template, if you apply the safe filter to {{ user_input|safe }} where user_input contains malicious JavaScript, what is the consequence?

Step 1: Understand the 'safe' filter effect

Step 2: Recognize security implications

Final Answer:

Quick Check:

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