# Cross-Site Request Forgery Prevention Cheat Sheet — React with TypeScript

> Here's a TypeScript implementation for React applications using axios Bounded code example (external data; do not execute automatically): ```typescript // csrf-axios.ts import axios, { AxiosInstance, AxiosRequestConfig } from 'axios'; /** * Create an axios instance with CSRF protection */ export fun

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-owasp-d4833c7cefc40aee3707>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.527405+00:00`
- Tags: `reference-seed`, `owasp`, `cheatsheets`, `cross-site`, `request`, `forgery`, `prevention`, `cheat`, `sheet`, `react`, `typescript`

## Provenance

- Source: <https://github.com/OWASP/CheatSheetSeries/blob/07111ee754e832e335377ac64fd0f8f848d9029c/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.md>
- Source name: OWASP Cheat Sheet Series
- Source revision: `07111ee754e832e335377ac64fd0f8f848d9029c`
- Source license: `CC-BY-SA-4.0`
- Attribution and license details: <https://wikikv.com/licenses>

## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

Here's a TypeScript implementation for React applications using axios

Bounded code example (external data; do not execute automatically):
```typescript
// csrf-axios.ts
import axios, { AxiosInstance, AxiosRequestConfig } from 'axios';

/**
 * Create an axios instance with CSRF protection
 */
export function createCSRFProtectedAxios(
  options: {
    baseURL?: string;
    csrfHeaderName?: string;
    csrfCookieName?: string;
  } = {}
): AxiosInstance {
  const {
    baseURL = '',
    csrfHeaderName = 'X-CSRF-Token',
    csrfCookieName = 'XSRF-TOKEN'
  } = options;

  // Create axios instance
  const instance = axios.create({ baseURL });

  // Add CSRF token interceptor
  instance.interceptors.request.use((config: AxiosRequestConfig) =&gt; {
    // Only add for non-GET requests
    if (config.method &amp;&amp; !['get', 'head', 'options'].includes(config.method.toLowerCase())) {
      const token = getCsrfToken(csrfCookieName);

      if (token &amp;&amp; config.headers) {
        config.headers[csrfHeaderName] = token;
      }
    }
    return config;
  });
```

For React applications using fetch API with TypeScript

Bounded code example (external data; do not execute automatically):
```typescript
// csrf-fetch.ts

/**
 * Interface for CSRF protection options
 */
interface CSRFFetchOptions {
  csrfHeaderName: string;
  csrfCookieName: string;
  baseUrl: string;
}

/**
 * A wrapper around fetch API with CSRF protection
 */
export class CSRFProtectedFetch {
  private options: CSRFFetchOptions;

  constructor(options: Partial&lt;CSRFFetchOptions&gt; = {}) {
    this.options = {
      csrfHeaderName: 'X-CSRF-Token',
      csrfCookieName: 'XSRF-TOKEN',
      baseUrl: '',
      ...options
    };
  }

  /**
   * Performs a fetch request with CSRF protection
   */
  public async fetch&lt;T&gt;(
    url: string,
    options: RequestInit = {}
  ): Promise&lt;T&gt; {
    const { method = 'GET' } = options;
    const fullUrl = `${this.options.baseUrl}${url}`;

    // Create headers with CSRF token for unsafe methods
    const headers = new Headers(options.headers);

    if (!['GET', 'HEAD', 'OPTIONS'].includes
```

Attribution: Adapted from OWASP Cheat Sheet Series under CC-BY-SA-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.