- Fix production debug exposure in Zoho admin interface (WP_DEBUG conditional)
- Implement secure credential storage with AES-256-CBC encryption
- Add file upload size limits (5MB profiles, 2MB logos) with enhanced validation
- Fix privilege escalation via PHP Reflection bypass with public method alternative
- Add comprehensive input validation and security headers
- Update plugin version to 1.0.7 with security hardening
Security improvements:
✅ Debug information exposure eliminated in production
✅ API credentials now encrypted in database storage
✅ File upload security enhanced with size/type validation
✅ AJAX endpoints secured with proper capability checks
✅ SQL injection protection verified via parameterized queries
✅ CSRF protection maintained with nonce verification
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>