# Changelog

All notable changes to this project will be documented in this file.

## [1.0.1] - 2024-01-XX

### Security
- **CRITICAL**: Fixed nonce verification issues identified in WordPress.org plugin review
- **CRITICAL**: Added proper user permission checks for all admin actions
- **CRITICAL**: Removed direct `$_GET` parameter access without nonce verification
- Added comprehensive input sanitization and validation
- Created `CODPartner_Security` utility class for centralized security functions
- Implemented secure URL generation with proper nonce integration
- Added security event logging for monitoring and debugging
- Enhanced OAuth callback security with proper state validation
- Improved order data validation with whitelist-based sanitization

### Added
- New `CODPartner_Security` class with security utilities
- Secure admin action handling with proper nonce verification
- Comprehensive input validation for order data
- Security event logging system
- Documentation for security best practices

### Changed
- Refactored admin action handling to use secure methods
- Updated template to remove unsafe `$_GET` access
- Improved API handler security with better validation
- Enhanced lead handler with additional security checks

### Fixed
- Direct `$_GET` access in `templates/settings-page.php`
- Missing nonce verification in admin actions
- Insufficient user permission checks
- Potential security vulnerabilities in input handling

## [1.0.0] - 2024-01-XX

### Added
- Initial release
- WooCommerce integration for order management
- CODPartner API integration
- OAuth authentication system
- Order status tracking
- Admin interface for plugin configuration
- Lead data synchronization
- Multi-language support
- HPOS (High-Performance Order Storage) compatibility

### Features
- Automatic order synchronization with CODPartner
- Real-time order status updates
- Secure OAuth authentication
- Admin dashboard integration
- Order management columns
- Error handling and logging
- Customizable settings

## [Unreleased]

### Planned
- Advanced reporting features
- Bulk order processing
- Enhanced API integration
- Additional payment gateways
- Performance optimizations