[NEEDS WORK] Fix High-Risk SQL Injection Vulnerabilities and Enhance Security

[ugcoderz]

⚠️ Automated Validation Failed

The unit tests or syntax verification did not pass after maximum retries. This PR is submitted for manual developer review and remediation.

• Replace direct SQL query execution with Django's QuerySets to mitigate SQL injection risks.
• Use parameterized queries and validate user-controlled data to prevent SQL injection attacks.
• Implement proper error handling and leverage Django's built-in security features to further protect against SQL injection vulnerabilities.

📦 Modified Files

• app.py
• app.py
• app.py
• app.py
• app.py
• app.py