# Jeremylongshore Claude Code Plugins Plus Skills Csrf Protection Validator > Overview - Skill: `tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-csrf-protect` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-csrf-protect` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-csrf-protect/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/jeremylongshore-claude-code-plugins-plus-skills-csrf-protect --- ## Overview This skill empowers Claude to analyze web applications for CSRF vulnerabilities. It assesses the effectiveness of implemented CSRF protection mechanisms, providing insights into potential weaknesses and recommendations for remediation. ## How It Works 1. **Analyze Endpoints**: The plugin examines application endpoints to identify those lacking CSRF protection. 2. **Assess Protection Mechanisms**: It validates the implementation of CSRF protection mechanisms, including token validation, double-submit cookies, SameSite attributes, and origin validation. 3. **Generate Report**: A detailed report is generated, highlighting vulnerable endpoints, potential attack scenarios, and recommended fixes. ## When to Use This Skill This skill activates when you need to: - Validate existing CSRF protection measures. - Identify CSRF vulnerabilities in a web application. - Assess the risk associated with unprotected endpoints. - Generate a report outlining CSRF vulnerabilities and recommended fixes. ## Examples ### Example 1: Identifying Unprotected API Endpoints User request: "validate csrf" The skill will: 1. Analyze the application's API endpoints. 2. Identify endpoints lacking CSRF protection, such as those handling sensitive data modifications. 3. Generate a report outlining vulnerable endpoints and potential attack vectors. ### Example 2: Checking SameSite Cookie Attributes User request: "Check for csrf vulnerabilities in my application" The skill will: 1. Analyze the application's cookie settings. 2. Verify that SameSite attributes are properly configured to mitigate CSRF attacks. 3. Report any cookies lacking the SameSite attribute or using an insecure setting. ## Best Practices - **Regular Validation**: Regularly validate CSRF protection mechanisms as part of the development lifecycle. - **Comprehensive Coverage**: Ensure all state-changing operations are protected against CSRF attacks. - **Secure Configuration**: Use secure configurations for CSRF protection mechanisms, such as strong token generation and proper SameSite attribute settings. ## Integration This skill can be used in conjunction with other security plugins to provide a comprehensive security assessment of web applications. For example, it can be combined with a vulnerability scanner to identify other potential vulnerabilities in addition to CSRF weaknesses. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/jeremylongshore) — claim your Tome and manage your conversions.