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Template injection workshop

Workshop on Template Injection (6 exercises) covering Twig, Jinja2, Tornado, Velocity and Freemaker engines.

From GoSecure·Updated May 5, 2026·View on GitHub·

This repository includes all the test applications presented at Hackfest 2020. The project is written primarily in CSS, first published in 2020. Key topics include: appsec, codelabs, freemarker, injection, jinja2.

Template Injection Workshop

This repository includes all the test applications presented at Hackfest 2020.

Reading the tutorials

Slides: https://gosecure.github.io/template-injection-workshop/

Running the application yourself

All the application code and docker script are included in this repository. The build process will vary depending on the technology (Python, PHP or Java).

First start by cloning the repository or exporting the repository to a zip archive. Refer to the README of each individual application.

git clone https://github.com/GoSecure/template-injection-workshop.git

Contributors

Showing top 1 contributor by commit count.

View all contributors on GitHub →

This article is auto-generated from GoSecure/template-injection-workshop via the GitHub API.Last fetched: 6/19/2026