SQL Injection: Attack and Prevention
SQL Injection: Attack and Prevention
MediumSQL0% accepted
Explain SQL injection attacks, show a vulnerable query, demonstrate the attack payload, and show how to prevent it using prepared statements, parameterized queries, and input validation.
Approach
Explain SQL injection attack and prevention with prepared statements.
Input
Login form - username: admin'-- password: anything
Output
Vulnerable query: WHERE username='admin'--' becomes WHERE username='admin' (comment skips password)
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