Server side template injection in an unknown language (Video solution)

This video shows the lab solution of "Server-side template injection in an unknown language with a documented exploit" from Web Security Academy (Portswigger) Link to the lab: https://portswigger.net/web-security/server-side-template-injection/exploiting/lab-server-side-template-injection-in-an-unknown-language-with-a-documented-exploit