XSS Protection

Protection against Cross-Site Scripting attacks

sequenceDiagram participant Attacker participant Server participant User Attacker->>Server: Malicious Script Server->>User: Escaped Output User->>User: Safe Display

XSS Protection prevents execution of malicious JavaScript code in user's browser.


Protection methods:


  • Automatic Blade escaping
  • {{ }} for escape
  • {!! !!} for raw output (with caution)

Examples

Blade Escaping

{{ $userInput }} // Automatically escaped
{!! $trustedHtml !!} // Raw output (dangerous)

Using escaping in Blade.