[NEEDS WORK] Fix SQL Injection Vulnerabilities

[ugcoderz]

⚠️ Partial Success

Some AI-generated patches could not be applied or failed validation and were skipped. The PR contains only the successful fixes.

This pull request addresses high-risk SQL injection vulnerabilities in the codebase.

Changes:

• Replace direct SQL query execution with Django's QuerySets in the register function.
• Use parameterized queries instead of direct execution of user-controlled input in db.execute() function.
• Replace direct SQL query execution with Django's QuerySets in the reset_password function.
• Use parameterized queries instead of direct database query with user-controlled data.
• Replace string formatting with parameterized queries in database queries.
• Use Django's QuerySets instead of insecure database query in 'planner' function.

📦 Modified Files

• app.py
• app.py
• app.py
• app.py