| Vulnerability | Fix | |---------------|------| | SQL Injection | Use prepared statements / parameterized queries | | IDOR | Implement session-based access control, use non-guessable tokens (UUID v4) | | Path Traversal | Sanitize input with realpath() and whitelist allowed paths |
: If a website doesn't "sanitize" the input after the id= , an attacker can insert malicious SQL code to view, modify, or delete database information. inurl -.com.my index.php id
: This looks for URLs containing a "GET" parameter named id (e.g., index.php?id=123 ), which is often used by websites to fetch specific content from a database. Common Uses | Vulnerability | Fix | |---------------|------| | SQL
Logging into administrative accounts without a password. This is the most effective defense against SQLi
This is the most effective defense against SQLi. Instead of building a query string with user input, you use placeholders. The database treats the user input strictly as data, never as executable code. 2. Sanitize and Validate All Input