PHP EUVD-2025-21347

{'type': 'Patch', 'description': 'Upgrade to a patched version of AVL Rooms if available from code-projects. Check vendor advisory for specific patch version (information not provided in CVE data; contact vendor directly).'} {'type': 'Immediate Mitigation (if patching unavailable)', 'steps': ["Implement input validation: Whitelist allowed characters for the 'city' parameter (alphanumeric, spaces, hyphens only)", 'Use parameterized queries/prepared statements in /city.php to separate SQL code from data: use mysqli_prepare() or PDO prepared statements instead of string concatenation', 'Apply output encoding to prevent second-order SQL injection', "Implement Web Application Firewall (WAF) rules to detect and block SQL injection patterns in the 'city' parameter", 'Run queries with minimal necessary database privileges (principle of least privilege)', 'Enable SQL error suppression to prevent information disclosure']} {'type': 'Detection', 'steps': ['Monitor application logs for SQL error messages and unusual database queries', 'Implement IDS/IPS signatures for SQL injection attacks targeting /city.php', 'Review database access logs for unexpected query patterns']}