Episode 26: Client-side Quirks & Browser Hacks

Episode 26: Client-side Quirks & Browser Hacks

In this episode of Critical Thinking - Bug Bounty Podcast, we're back with Joel, fresh (haha) off of back-to-back live hack events in London and Seoul. We compare the different vibes of each LHE, then we dive into the technical thick of it, and talk web browsers, XSS vectors, new tools, CVSS 4.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

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Hunting for NGINX alias traversals in the wild

PortSwigger Tweet

Soroush's Follow-up

Tweet about magic math element

<22 weird XSS behavior

Lupin’s follow-up

Patch diffing

Changes to CVSS 4.0

Ask FIRSTdotORG what's going on

Jsluise

JS import() behavior

'JavaScript for Hackers'

CSP Evaluator:

Dom Clobbering

HTML Injection Cheat Sheet

Gareth Heyes website/game

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Timestamps:

(00:00:00) Introduction

(00:04:10) LHE Vibes

(00:07:45) "Hunting for NGINX alias traversals in the wild"

(00:12:30) Payouts in BB programs

(00:16:05) New XSS vectors and popovers

(00:24:15) The "magical math element" in Firefox

(00:27:15) LiveOverflow on HTML parsing quirks

(00:32:10) Mr. Tux Racer, Woocommerce, and WordPress

(00:40:00) Changes in the CVSS 4 draft spec

(00:45:00) TomNomNom's new tool Jsluise

(00:51:15) JavaScript's import function & "JavaScript for Hackers"

(01:09:15) Prototype pollution & DOM clobbering

(01:18:10) Base tags and CSS Games

Avsnitt(161)

Episode 161: Cross-Consumer Attacks & DTMF Tone Exfil

Episode 161: Cross-Consumer Attacks & DTMF Tone Exfil

Episode 161: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gives us some quick hits regarding CSRF and Cross Consumer Attacks, and also touches on some breaking questions surroundin...

12 Feb 24min

Episode 160: Cloudflare Zero-days & Mail Unsubscribing for XSS

Episode 160: Cloudflare Zero-days & Mail Unsubscribing for XSS

Episode 160: In this episode of Critical Thinking - Bug Bounty Podcast Joseph and Brandyn. Chat through some news, Including a Cloudflare Zero-day, Turning List-Unsubscribe into an SSRF/XSS Gadget, & ...

5 Feb 45min

Episode 159: Avoiding Downgrades on Google Cloud VRP with Cote and Darby Hopkins

Episode 159: Avoiding Downgrades on Google Cloud VRP with Cote and Darby Hopkins

Episode 159: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with the Google Cloud VRP Team to deep-dive policy and reward changes, what the panel process looks like, and how to ...

29 Jan 1h 46min

Episode 158: 10hr Marathon Hack-Along Recap + $300k Client-side Bugs

Episode 158: 10hr Marathon Hack-Along Recap + $300k Client-side Bugs

Episode 158: In this episode of Critical Thinking - Bug Bounty Podcast we talk about our personal takeaways from the CTBB Charity Hackalong, and then break down some InsertScript POCs, what a $55,000 ...

22 Jan 58min

Episode 157: Crushing Pwn2Own & H1 with Kernel Driver Exploits

Episode 157: Crushing Pwn2Own & H1 with Kernel Driver Exploits

Episode 157: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Hypr to talk about hacking Mediatek and his experiences with HackerOne and Pwn2Own Ecosystems.Follow us on twitte...

15 Jan 1h 34min

Episode 156: Chill AMA from bugbounty.forum

Episode 156: Chill AMA from bugbounty.forum

Episode 156: In this episode of Critical Thinking - Bug Bounty Podcast we answer some fantastic questions from over at bugbounty.forumFollow us on twitter at: https://x.com/ctbbpodcastGot any ideas an...

8 Jan 1h 23min

Episode 155: 2025 Hacker Stats & 2026 Goals

Episode 155: 2025 Hacker Stats & 2026 Goals

Episode 155: In this episode of Critical Thinking - Bug Bounty Podcast Justin, Joseph, and Brandyn reflect on last year of Bug Bounty, and list their goals and predictions for what 2026 holds.Follow u...

1 Jan 1h 32min

Episode 154: Starting a Pentesting Company on Top of Bug Bounty

Episode 154: Starting a Pentesting Company on Top of Bug Bounty

Episode 154: In this episode of Critical Thinking - Bug Bounty Podcast Joseph and Brandyn talk through the transition from Bug Bounty hunting to Pentesting. We cover diversifying income streams, the c...

25 Dec 202541min

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