# 0424: BarSpacing Skills

| Name                                                                    | Authors                                                  | Category                         |
| ----------------------------------------------------------------------- | -------------------------------------------------------- | -------------------------------- |
| [Intigriti April Challenge (2024)](https://challenge-0424.intigriti.io) | [kire\_devs\_hacks](https://twitter.com/kire_devs_hacks) | XSS, PostMessage, Race Condition |

## Challenge Description

> Alert document.domain and win Intigriti swag.

## Useful Resources

* [XSS cheatsheet](https://portswigger.net/web-security/cross-site-scripting/cheat-sheet)
* [PostMessage vulnerabilities](https://book.hacktricks.xyz/pentesting-web/postmessage-vulnerabilities)
* [Race conditions](https://portswigger.net/web-security/race-conditions)

## Community Writeups

1. [siss3l](https://gist.github.com/Siss3l/227ece1ecce1ef232baf6e9b22b9c1a2)
2. [svennergr](https://gist.github.com/svennergr/de597ffbe94ee0362900aad3807644b2)