2 Videos for JWT XII

In this video, we cover the exercise JWT 12 from the green badge series. You'll learn about the structure of JWTs, URL-safe base64 encoding, and how to exploit x5u attributes to validate tokens.

In this video, we cover the JWT XII exercise as part of the green badge. We demonstrate how to exploit a vulnerability in JWTs by manipulating the x5u header to bypass authentication and gain admin access.