# CodeIgniter 4 Security Verification and Remediation Plan

## Objective

Perform a comprehensive security assessment of the CodeIgniter 4 application, identify vulnerabilities, implement fixes, verify remediation, and produce a complete audit trail of all findings and corrections.

## Mandatory Requirement

Every vulnerability that is fixed must be documented immediately in the remediation report.

No fix may be marked complete without evidence of verification and retesting.

## Scope

- CodeIgniter 4 configuration
- Controllers
- Models
- Views
- Routes
- Filters
- Authentication and Authorization
- API endpoints
- Session handling
- File uploads
- Composer dependencies

## Steps

1. Environment and Debug Configuration Review
2. CSRF Protection Verification
3. XSS Protection Review
4. SQL Injection Review
5. Input Validation Review
6. Authentication Security Review
7. Authorization Review
8. Route and Filter Review
9. File Upload Security Review
10. Session and Cookie Security Review
11. Dependency Audit
12. Secret Scanning
13. Automated Security Scan (OWASP ZAP)
14. Manual Abuse Testing
15. Generate Security Fix Report

## Security Fix Report Requirements

### Executive Summary
- Assessment date
- Reviewer
- Total findings
- Fixed findings
- Open findings
- Overall risk level

### Vulnerability Inventory
- ID
- Severity
- Category
- Location
- Status

### Detailed Remediation Record
- Finding
- Risk
- Location
- Evidence
- Remediation
- Before/After code
- Verification
- Result

### Deliverables
- security-verification-plan.md
- security-fix-report.md
- security-fix-report.pdf
- security-findings.json

## Success Criteria

An independent reviewer must be able to:
- Reproduce findings
- Verify fixes
- Audit changes
- Review remaining risks
- Approve or reject deployment based on evidence
