PHP EUVD-2025-18730

Immediate actions: (1) Implement input validation: whitelist ID parameter to accept only numeric values using regex or type casting (e.g., (int)$_GET['id']); (2) Use prepared statements with parameterized queries in all SQL operations—replace mysqli_query() or PDO execute() calls with prepared statement versions (mysqli_prepare() + bind_param() or PDO::prepare() + execute()); (3) Apply principle of least privilege to database user account executing queries (read-only for confirmation operations); (4) Disable direct web access to /admin/ directory if possible, or restrict via .htaccess (Deny from all) and authenticate via alternative mechanism; (5) Implement Web Application Firewall (WAF) rules to detect and block common SQL injection payloads (UNION-based, time-based blind, error-based); (6) Conduct full code audit of all user input handling in admin interface. Long-term: upgrade from Online Shoe Store 1.0 to a maintained e-commerce platform (Magento, WooCommerce, Prestashop) with security updates. No official vendor patch is available; contact code-projects development team for guidance.