CSRF Protection Validator

About

Equips Claude with the ability to perform comprehensive security audits specifically focused on Cross-Site Request Forgery (CSRF). By analyzing application endpoints and evaluating defense mechanisms like synchronizer tokens, double-submit cookies, and SameSite attributes, this skill helps developers identify critical security gaps before they can be exploited. It provides actionable reports that outline vulnerable areas and offer specific remediation strategies, making it an essential tool for maintaining a secure and resilient web application posture during the development lifecycle.

Key Features

• Audit of SameSite cookie attributes and origin validation settings
• Remediation guidance for strengthening application security posture
• Validation of synchronizer tokens and double-submit cookie implementations
• Endpoint vulnerability analysis for missing CSRF protection
• 712 GitHub stars
• Generation of detailed security reports with attack vector analysis

Use Cases

• Identifying unprotected API endpoints handling sensitive data modifications
• Validating existing security measures against CSRF attacks
• Auditing application cookie settings for secure SameSite configuration