https://github.com/epinna/tplmap
Usage example:
./tplmap.py -u 'http://www.target.com/page?name=John'
https://github.com/ambionics/symfony-exploits
Check for www.example.com/_profiler/ — it may contain errors and server variables.
www.example.com/_profiler/
https://github.com/synacktiv/eos/
https://medium.com/server-side-template-injection/server-side-template-injection-faf88d0c7f34