---
id: 4767
title: "Dojo challenge #40 - Hacker profile winners & writeup"
source_domain: yeswehack.com
source_url: "https://www.yeswehack.com/dojo/dojo-ctf-challenge-winners-40"
published_at: "2025-04-23 14:31"
tags: ["bug-bounty", "ctf", "prototype-pollution", "dojo", "javascript", "writeup"]
phying_url: "https://phying.com/item/4767"
lang: en
---

# Dojo challenge #40 - Hacker profile winners & writeup

## Summary

Winners and writeups for Dojo challenge #40 'Hacker profile': exploiting JavaScript prototype pollution to trigger a catch exception handler and run arbitrary code to capture the flag.

## Intelligence Metadata

- **Sources:** yeswehack.com
- **Published:** 2025-04-23 14:31
- **Original:** https://www.yeswehack.com/dojo/dojo-ctf-challenge-winners-40
- **Phying News:** https://phying.com/item/4767