Command Injection

Read this: https://ctf101.org/web-exploitation/command-injection/what-is-command-injection/

  1. What is command injection?
  2. What are the different types of command injections?
  3. What languages are command injections commonly seen in?

Most command injects are Linux command line stuff, so the better you are with Linux, the easier those will be.

Relevant XKCD: https://xkcd.com/327/