1. CSRF stands for Cross Site Request Forgery and is when an attacker takes advantage of a logged-in user's authenticated state to execute malicious application requests and change the user's app in harmful ways.
2. An attacker with access to a CSRF vulnerability can trick a user into changing application state against their will, or in a way they don't intend to (for example, routing money to a different bank account).
3. A CSRF PoC is just the bare-bones markup necessary to recreate the form's HTTP request.
4. If you can open a CSRF PoC in your browser and submit it successfully, that validates the vulnerability.
5. Using BeautifulSoup to generate HTML lets you allow tedious string manipulation (for example, splitting and inserting nested tags).
6. We used a CSRF POST-based attack in our E2E example.
7. A malicious actor would use more hidden fields, and allow his...