Securing Your Laravel Application: A Comprehensive Checklist

Security vulnerabilities can sink your application and your reputation. Laravel provides excellent security features out of the box, but you need to know how to use them properly.

Cross-Site Scripting (XSS)

Always escape output with {{ }} Blade syntax instead of {!! !!}. When you must render HTML, use a sanitization library like HTMLPurifier to strip malicious content.

SQL Injection Prevention

Eloquent and the query builder automatically parameterize queries. Never concatenate user input into raw queries. When using DB::raw(), always bind parameters.

Authentication & Authorization

Use Laravel's built-in authentication scaffolding. Implement proper authorization with Policies and Gates. Always validate that users can access the resources they're requesting.

Environment Security

Never commit .env files. Use environment-specific configurations. Rotate secrets regularly and use a secrets manager for production deployments.