Trint Ltd: Insecure Zendesk SSO implementation by generating JWT client-side

Summary: app.trint.com implements SSO to Zendesk, it does this by using JWT as described at https://support.zendesk.com/hc/en-us/articles/203663816-Enabling-JWT-JSON-Web-Token-single-sign-on This functionality has not been implemented securely because the JWT generation happens in the client-side...