Episode 168: In this episode of Critical Thinking - Bug Bounty Podcast we’re getting a visit from the XSS Doctor. Jonathan joins us to go through his Client-side workflow, run labs, and diagnose some bugs live.

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater, rez0 and gr3pme on X:

https://x.com/Rhynorater

https://x.com/rez0__

https://x.com/gr3pme

Critical Research Lab:

https://lab.ctbb.show/

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

You can also find some hacker swag at https://ctbb.show/merch!

Today’s Guest: https://x.com/xssdoctor

====== Resources ======

The Dot-Dot-Slash That Frameworks Hand You: CSPT Across Every Major Frontend Framework

https://lab.ctbb.show/research/the-dot-dot-slash-that-frameworks-hand-you

URL validation bypass cheat sheet

https://portswigger.net/web-security/ssrf/url-validation-bypass-cheat-sheet

====== Timestamps ======

(00:00:00) Introduction

(00:01:37) Home Automation AI Hack & E-signature bug stories

(00:12:15) E-signature bug

(00:17:01) XSS DR Intro and Bug Bounty Journey

(00:31:51) CSPT Workflows

(01:07:57) Wildcard Path Parameters

(01:30:34) Custom Sinks

Episode 168: XSSDoctor - Client-side Path Traversal Research