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CMS Security

Is Drupal Secure? Security Features, Risks, and Hardening

Yes, Drupal is generally secure when configured correctly. Here is what you need to know about its built-in protections, common vulnerabilities, and how to harden it for production.

Built-in Security Features

Dedicated security team with coordinated disclosure process
Twig template engine auto-escapes output by default
Database abstraction layer with parameterized queries
Granular permission system with role-based access control
Built-in content moderation and revision system

Common Vulnerabilities

Drupalgeddon-style SQL injection in contributed modules
XSS through improperly sanitized render arrays
Access bypass in Views with misconfigured permissions
PHP object injection through unsafe deserialization
Information disclosure through verbose error messages

Hardening Checklist

1Subscribe to Drupal security advisories and apply updates promptly
2Use only contributed modules with security advisory coverage
3Configure trusted_host_patterns in settings.php
4Restrict access to /admin paths and update.php
5Disable PHP execution in files directory via .htaccess
6Configure Content-Security-Policy headers
7Set proper file permissions and ownership
8Use Drupal's Security Kit module for additional headers
9Implement two-factor authentication for admin users
Official Drupal security documentation

Frequently Asked Questions

Is Drupal secure?

Yes, Drupal is generally secure when configured correctly. It includes built-in protections like dedicated security team with coordinated disclosure process. However, common misconfigurations and development patterns can introduce vulnerabilities.

What are the main security risks with Drupal?

The most common Drupal security risks include drupalgeddon-style sql injection in contributed modules, xss through improperly sanitized render arrays, access bypass in views with misconfigured permissions.

How do I harden Drupal for production?

Key hardening steps: Subscribe to Drupal security advisories and apply updates promptly. Use only contributed modules with security advisory coverage. Configure trusted_host_patterns in settings.php. Run a security check on your domain to identify specific issues.

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