# 0524: Quadratic Equation Solver

| Name                                                                  | Authors                                            | Category               |
| --------------------------------------------------------------------- | -------------------------------------------------- | ---------------------- |
| [Intigriti May Challenge (2024)](https://challenge-0524.intigriti.io) | [stealthcopter](https://twitter.com/stealthcopter) | XSS, Formula Injection |

## Challenge Description

> Execute arbitrary JavaScript and win Intigriti swag.

## Useful Resources

* [XSS cheatsheet](https://portswigger.net/web-security/cross-site-scripting/cheat-sheet)
* [PHP spreadsheet docs](https://phpspreadsheet.readthedocs.io/en/latest)
* [Formula injection](https://book.hacktricks.xyz/pentesting-web/formula-csv-doc-latex-ghostscript-injection)

## Community Writeups

1. [m-boll](https://github.com/m-boll/writeups/blob/main/INTIGRITI_0524.md)
2. [smickovskid](https://damjan-smickovski.dev/blog/intigriti_challenge_0524_writeup)
3. [memosec](https://gist.github.com/memosec/a66a4ad9beb71901d7a904fd6f6441c0)
4. [siss3l](https://gist.github.com/Siss3l/f137c3fc00c7db5b90099cb1a253784a)