# 0522: Pollution

| Name                                                                  | Authors                                          | Category                      |
| --------------------------------------------------------------------- | ------------------------------------------------ | ----------------------------- |
| [Intigriti May Challenge (2022)](https://challenge-0522.intigriti.io) | [PiyushThePal](https://twitter.com/PiyushThePal) | XSS, WAF, Prototype Pollution |

## Video Walkthrough

[![Prototype pollution is everywhere! Solution to May '22 XSS Challenge](https://img.youtube.com/vi/LG0yCZ45G60/0.jpg)](https://www.youtube.com/watch?v=LG0yCZ45G60)

## Challenge Description

> Find a way to execute arbitrary javascript on the challenge page and win Intigriti swag.

## Useful Resources

* [XSS cheatsheet](https://portswigger.net/web-security/cross-site-scripting/cheat-sheet)
* [Prototype Pollution](https://portswigger.net/web-security/prototype-pollution)

## Community Writeups

1. [zerodaykb](https://hackmd.io/MR8CihSTQuSeMHw07Rs8UQ)
2. [m42d](https://ipwn.it/writeups/challenge-0522.txt)
3. [goku-kaioken](https://github.com/goku-KaioKen/intigriti/blob/main/challenge-writeups/Challenge-0522.pdf)