Wednesday, August 13, 2025

OpenCPN Export GPX Navigation Route - CVE-2025-XXXXX

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In OpenCPN, each exported route is accessible via a predictable, incrementally number ID in the URL. An attacker who obtains or guesses a si...
Monday, November 4, 2024

GPT: Burp Suite Exploit Validation, AI-Generated 0-Day Payloads and More

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Ever since the day I had GPT-4 write a widget-chain for an old 0-day in five minutes that originally took me two or three work days to creat...
Wednesday, December 28, 2022

Input-Format-Depedent-XSS: Restrictions Are Your Best Friend!

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Recently, I had a stubborn form where I attempted XSS in the free text fields, without success. Eventually, I also started looking at other ...
Friday, November 18, 2022

Open Redirects - Payload List vs Manual Testing

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  In order to bypass a fix for a open redirect a second time, you may need to get creative with your payload list. The original issue was ex...

Captcha Bypass Using Tesseract OCR and Python

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import cv2 import pytesseract from urllib.request import urlopen import numpy as np from bs4 import BeautifulSoup import requests import url...
Tuesday, July 26, 2022

Twitter Removed the Blocked Account Export - Let's Put it Back!

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I'm reposting my post from Stack Overflow here (+ the script) in case it gets deleted. Other users have also noticed Twitter's ...
Saturday, April 16, 2022

Reporting Library RCE (Object Chaining) - CVE-2021-42777

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  Similar to CVE-2020-15865 . However, this one was a little trickier because I could only execute chained C# commands that ultimately ret...