When is the best time to use this skill?

It should be used during the development lifecycle, specifically during security reviews, before deployment, or when implementing new API endpoints.

Which security mechanisms does this skill test?

The skill validates synchronizer tokens, double-submit cookies, SameSite cookie attributes, and origin/referer header validation.

What is the CSRF Protection Validator skill?

It is a specialized Claude Code skill designed to help developers identify and fix Cross-Site Request Forgery (CSRF) vulnerabilities in their web applications.

Can it provide automated remediation advice?

Yes, after analyzing your application, the skill generates a report that includes specific recommendations and fixes for any identified security weaknesses.

CSRF Protection Validator

Name: CSRF Protection Validator
Author: jeremylongshore

byjeremylongshore

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884

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Security & Testing

Analyzes web applications to identify and remediate Cross-Site Request Forgery (CSRF) vulnerabilities across all endpoints.

The CSRF Protection Validator skill empowers Claude to perform deep security audits focused on Cross-Site Request Forgery. It systematically examines application endpoints to detect missing protections, validates the implementation of synchronizer tokens and double-submit cookies, and audits SameSite cookie attributes. By providing detailed reports and remediation steps, it helps developers secure state-changing operations and maintain a robust security posture against unauthorized web-based attacks.

Key Features

01Audit of SameSite cookie attributes and secure flag configurations

02Generation of comprehensive vulnerability reports with remediation steps

03Automated discovery of unprotected state-changing endpoints

04Verification of origin and referer header validation logic

05884 GitHub stars

06Validation of synchronizer token and double-submit cookie implementations

Use Cases

01Auditing web application security posture before a production release

02Identifying sensitive API endpoints that lack modern browser security attributes

03Verifying the correct configuration of CSRF middleware in backend frameworks

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeremylongshore/claude-code-plugins-plus-skills skill-adapter

For use in Claude.ai and ChatGPT

Download Skill