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

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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

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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

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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

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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

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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

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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

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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

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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)

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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

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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