- Add sanitize.ts utility module with sanitizeText(), sanitizeUrl(), and sanitizeHtml() functions
- Implement server-side HTML entity escaping and client-side DOMPurify sanitization
- Add comprehensive test suite for sanitization functions in lib/__tests__/sanitize.test.ts
- Secure marketing pages by sanitizing all CMS data (hero, features, challenges, advantages, footer)
- Secure inquiries form by sanitizing field labels, placeholders, and button text
- Add SECURITY.md documentation outlining XSS protection measures and best practices
- Add USAGE_EXAMPLES.md with detailed examples of sanitization function usage
- Add XSS_PROTECTION_SUMMARY.md with implementation overview
- Update package.json to include dompurify (^3.3.0) dependency
- Protects against common XSS attack vectors including script injection, event handlers, and malicious URLs
AmirReza Jamali