For those who missed it, check out my talk, “Widgets Gone Wild: Exploiting XSS through Flawed postMessage Origin Checks.” 📺 Watch here: www.youtube.com/watch?v=qgB0... 🖥️ Follow along with the slides: 0-a.nl/nahamcon/

The slides and examples for my talk "Widgets Gone Wild: Exploiting XSS Through Flawed postMessage Origin Checks" at NahamCon can be found here: 0-a.nl/nahamcon/

Here is the official writeup of my XSS challenge on Intigriti. I think it contains some fun browser trivia even for those who did not look at the chall joaxcar.com/blog/2025/05...

I'm excited to be speaking at #NahamCon2025 on May 23rd! I'm going to be talking about a bug class that I believe is very undervalued, and will outline a methodology for how to find and exploit it in the wild. May the bounties rain down upon you! Details here: www.nahamcon.com

In case you missed it...the DEF CON video of my talk 'Splitting the Email Atom' is finally here! 🚀 Watch me demonstrate how to turn an email address into RCE on Joomla, bypass Zero Trust defences, and exploit parser discrepancies for misrouted emails. Don’t miss it: youtu.be/JERBqoTllaE?...