WCAG AI Platform - Security Audit & Remediation Plan

# WCAG AI Platform - Security Audit & Remediation Plan

## Audit Summary
- **Audit Date**: November 18, 2025
- **Repository**: aaj441/wcag-ai-platform
- **Critical Issues**: 2
- **High Issues**: 2
- **Medium Issues**: 3
- **Low Issues**: 0

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## 1. CRITICAL ISSUES (IMMEDIATE ACTION REQUIRED)

### 1.1 Secrets in Template Files
- [ ] Review all .env.example and template files
- [ ] Ensure no actual API keys are present (only placeholders)
- [ ] Update RAILWAY_ENV_TEMPLATE.txt with proper placeholders
- [ ] Update config/.env.example with sanitized examples
- [ ] Add validation script to prevent real secrets in templates

### 1.2 Hardcoded Credentials Detection
- [ ] Review ./automation/insurance_lead_import.py:226
- [ ] Verify it's using os.getenv() correctly (false positive check)
- [ ] Add code scanning rules to prevent hardcoded credentials
- [ ] Implement pre-commit hooks for secret detection

---

## 2. HIGH PRIORITY ISSUES

### 2.1 Path Traversal Vulnerabilities
- [ ] Review and sanitize path operations in:
  - [ ] ./automation/ai_email_generator.js (lines 335, 342, 375)
  - [ ] ./automation/vpat_generator.js (line 52)
  - [ ] ./backend/src/services/replayEngine.js (lines 277, 370, 371, 396, 425, 439)
  - [ ] ./backend/src/services/workerIdentity.js (lines 290, 316)
- [ ] Implement path sanitization utility function
- [ ] Add path.basename() validation for user inputs
- [ ] Create security middleware for file operations

### 2.2 Async Loop Performance Issues
- [ ] Identify all 23 await-in-loop patterns
- [ ] Refactor to use Promise.all() where appropriate
- [ ] Implement batch processing for async operations
- [ ] Add performance monitoring for async operations

---

## 3. MEDIUM PRIORITY ISSUES

### 3.1 ReDoS (Regular Expression Denial of Service)
- [ ] Review dynamic RegExp usage in:
  - [ ] ./automation/ai_email_generator.js:267
  - [ ] ./packages/api/src/services/keywordExtractor.ts:272
  - [ ] ./packages/api/src/services/orchestration/DeadLetterQueue.ts:208
- [ ] Replace with hardcoded patterns or add input validation
- [ ] Implement regex complexity limits
- [ ] Add timeout protection for regex operations

### 3.2 SRI Integrity Attributes
- [ ] Add SRI integrity attributes to:
  - [ ] ./deployment/dashboard/index.html
  - [ ] ./docs/adhd-ui-demo.html
- [ ] Generate SRI hashes for all external resources
- [ ] Implement automated SRI generation in build process

### 3.3 XSS Vulnerability Review
- [ ] Review innerHTML usage in:
  - [ ] ./packages/api/src/services/reports/CDNReportService.ts:710
- [ ] Implement DOMPurify or similar sanitization
- [ ] Add CSP (Content Security Policy) headers
- [ ] Create safe HTML rendering utilities

---

## 4. DEPENDENCY SECURITY

### 4.1 NPM Audit
- [ ] Run npm audit in root directory
- [ ] Run npm audit in ./packages/api
- [ ] Run npm audit in ./packages/webapp
- [ ] Fix all high and critical vulnerabilities
- [ ] Document acceptable risk for remaining issues

### 4.2 Dependency Updates
- [ ] Update outdated dependencies
- [ ] Review and update security-critical packages
- [ ] Implement automated dependency scanning
- [ ] Set up Dependabot or Renovate

---

## 5. SECURITY INFRASTRUCTURE

### 5.1 Continuous Security Monitoring
- [ ] Set up GitHub Actions security workflow
- [ ] Implement daily automated scans
- [ ] Configure CodeQL analysis
- [ ] Set up secret scanning alerts

### 5.2 Pre-commit Hooks
- [ ] Install and configure git-secrets
- [ ] Add ESLint security rules
- [ ] Implement commit message validation
- [ ] Add automated testing requirements

### 5.3 Security Documentation
- [ ] Create SECURITY.md with vulnerability reporting process
- [ ] Document security best practices for contributors
- [ ] Create security checklist for PRs
- [ ] Establish security review process

---

## 6. ARCHITECTURE IMPROVEMENTS

### 6.1 Code Organization
- [ ] Split large controller files (e.g., costController.js)
- [ ] Implement proper separation of concerns
- [ ] Create dedicated security utilities module
- [ ] Refactor God Objects into smaller services

### 6.2 API Security
- [ ] Implement rate limiting with Redis
- [ ] Add request validation middleware
- [ ] Implement API gateway pattern
- [ ] Add authentication/authorization checks

### 6.3 Data Protection
- [ ] Classify PII data across the application
- [ ] Implement data tokenization for sensitive fields
- [ ] Add PII masking utilities
- [ ] Create data retention policies

---

## 7. TESTING & VALIDATION

### 7.1 Security Testing
- [ ] Add security-focused unit tests
- [ ] Implement integration tests for auth flows
- [ ] Create chaos engineering tests
- [ ] Add penetration testing scenarios

### 7.2 Runtime Protection
- [ ] Implement RASP (Runtime Application Self-Protection)
- [ ] Add circuit breakers for external services
- [ ] Implement graceful degradation
- [ ] Add health check endpoints

---

## 8. COMPLIANCE & DOCUMENTATION

### 8.1 Compliance Requirements
- [ ] Review WCAG compliance requirements
- [ ] Ensure GDPR compliance for data handling
- [ ] Implement audit logging
- [ ] Create compliance documentation

### 8.2 Security Policies
- [ ] Create incident response plan
- [ ] Document security escalation procedures
- [ ] Establish security training requirements
- [ ] Create security awareness materials

---

## 9. DEPLOYMENT SECURITY

### 9.1 Environment Configuration
- [ ] Verify all secrets are in environment variables
- [ ] Implement secrets rotation policy
- [ ] Use AWS Secrets Manager or similar
- [ ] Document environment setup process

### 9.2 Production Hardening
- [ ] Enable HTTPS everywhere
- [ ] Configure security headers
- [ ] Implement DDoS protection
- [ ] Set up WAF (Web Application Firewall)

---

## 10. MONITORING & ALERTING

### 10.1 Security Monitoring
- [ ] Set up security event logging
- [ ] Configure alerting for suspicious activity
- [ ] Implement anomaly detection
- [ ] Create security dashboard

### 10.2 Incident Response
- [ ] Create incident response playbook
- [ ] Set up on-call rotation
- [ ] Implement automated incident detection
- [ ] Create post-mortem template

---

## COMPLETION CRITERIA

All tasks must be completed and verified before marking this audit as resolved:
- [ ] All CRITICAL issues resolved
- [ ] All HIGH priority issues resolved
- [ ] All MEDIUM priority issues resolved or documented as acceptable risk
- [ ] Security testing suite implemented
- [ ] Continuous monitoring in place
- [ ] Documentation updated
- [ ] Team trained on security practices