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InfoSec Write-ups

A collection of write-ups from the best hackers in the world on topics ranging from bug bounties and CTFs to vulnhub machines, hardware challenges and real life encounters. Subscribe to our weekly newsletter for the coolest infosec updates: https://weekly.infosecwriteups.com/

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Vulnerability

Muhammad Nizar in InfoSec Write-ups

SSRF steals EC2 tokens

What is SSRF (Server-Side Request Forgery)? Server-Side Request Forgery (SSRF) is a critical vulnerability that allows…

Abhi Sharma in InfoSec Write-ups

$1,700 IDOR: Unauthorized Modification of Web Hosting Configuration

M Sadewa Wicaksana in InfoSec Write-ups

Fixing stdlib 1.18.2 Vulnerabilities in Docker Images: A PostgreSQL Implementation Guide

Abhi Sharma in InfoSec Write-ups

The Unexpected $500 Reward: How I Found an Surprise XSS

HackerWithOutHat in InfoSec Write-ups

Behind the Message: Two Critical XSS Vulnerabilities in Zoho’s Web Applications

PostMessage…

Aleksa Zatezalo in InfoSec Write-ups

Brute Forcing Financial Apps On HackerOne

About a month ago, I identified my first vulnerability — a SQL injection in a financial…

Denis Makrushin in InfoSec Write-ups

Advanced Research Review 2024

Let’s talk about last year’s perspective research. Researchers have gathered a wealth of interesting…

The Cybersec Café in InfoSec Write-ups

IDOR: Who, What, Where, When, Why, How?

After a long wait… the WWWWWH series is back.

Saurabh sanmane in InfoSec Write-ups

Tricky & Simple EXIF protection Bypass

Hello Hackers! 👋

Shaurya in InfoSec Write-ups

Browser’s Secret Diary: Memory Dumps Unveiled

Introduction: How Browsers handle your Data Insecurely