# GreetGen — Server-Side Template Injection (CTF challenge)

> GreetGen makes personalised greeting cards by formatting your name into a Jinja2 template string. Confirm your input is executed, then reach into Python to read the flag.

Canonical: https://codelivly.com/ctf/challenges/greetgen-ssti

| | |
|---|---|
| Category | Web Exploitation |
| Difficulty | Medium |
| Points | 220 |
| Estimated time | 35 min |
| Type | Live instance |
| Solves | 25 |
| Author | Codelivly |

GreetGen makes personalised greeting cards by formatting your name into a Jinja2 template string. Confirm your input is executed, then reach into Python to read the flag.

## Related

- [All CTF challenges](https://codelivly.com/practice?type=ctf)