First published: Tue Nov 22 2022(Updated: )
Fastify is a web framework with minimal overhead and plugin architecture. The attacker can use the incorrect `Content-Type` to bypass the `Pre-Flight` checking of `fetch`. `fetch()` requests with Content-Type’s essence as "application/x-www-form-urlencoded", "multipart/form-data", or "text/plain", could potentially be used to invoke routes that only accepts `application/json` content type, thus bypassing any CORS protection, and therefore they could lead to a Cross-Site Request Forgery attack. This issue has been patched in version 4.10.2 and 3.29.4. As a workaround, implement Cross-Site Request Forgery protection using `@fastify/csrf'.
Credit: security-advisories@github.com
Affected Software | Affected Version | How to fix |
---|---|---|
Fastify Fastify | >=3.0.0<3.29.4 | |
Fastify Fastify | >=4.0.0<4.10.2 |
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