# 0823: Pure Functional Math Calculator

| Name                                                                     | Authors                               | Category      |
| ------------------------------------------------------------------------ | ------------------------------------- | ------------- |
| [Intigriti August Challenge (2023)](https://challenge-0823.intigriti.io) | [huli](https://twitter.com/aszx87410) | XSS, JS, Jail |

## Challenge Description

> Find a way to execute alert(document.domain) on the challenge page and win Intigriti swag.

## Useful Resources

* [XSS Cheatsheet](https://portswigger.net/web-security/cross-site-scripting/cheat-sheet)
* [JS Math](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math)

## Community Writeups

1. [0xalessandro](https://immense-geology-c53.notion.site/INTIGRITI-0823-9c0dddeb6b5d4fcc9bb1414d28edced3)
2. [eyexion](https://eyexion.fr/posts/intigriti_august_2023_wu)
3. [t0m7r00z](https://github.com/t0m7r00z/Writeups/blob/main/Intigriti%20August%202023%20XSS%20Challenge/README.md)
4. [siss3l](https://gist.github.com/Siss3l/890d55069b59dee8b01802055f4ff85b)
5. [huli (challenge creator)](https://blog.huli.tw/2023/08/29/en/intigriti-0823-author-writeup)