Episode 130: Minecraft Hacks to Google Hacking Star - Valentino
Critical Thinking - Bug Bounty Podcast10 Heinä 2025

Episode 130: Minecraft Hacks to Google Hacking Star - Valentino

Episode 130: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Valentino, who shares his journey from hacking Minecraft to becoming a Google hunter. He talks us through several bugs, including an HTML Sanitizer bypass and .NET deserialization, and highlights the hyper creative approaches he tends to employ.

Follow us on twitter at: https://x.com/ctbbpodcast

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 and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== 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 Sponsor: ThreatLocker - Patch Management

https://www.criticalthinkingpodcast.io/TL-patch-management

Today’s Guest: Valentino - https://blog.3133700.xyz/

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

JMX Manager

Stored XSS in reclamos

Command Injection in Vertex AI

whitepaper-net-deser.pdf

free-after-use.go

A Journey Into Finding Vulnerabilities in the PMB Library Management System

emulated-register_globals.php

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

(00:00:00) Introduction

(00:02:38) JMXProxy Bug Story

(00:09:46) Intro to Valentino

(00:29:08) HTML Sanitizer bypass on MercadoLibre

(00:37:16) Command injection in Vertex AI

(00:44:10) .NET deserialization, & Argument injection to LFR, & Free after use

(00:51:33) Luck, creativity, and evolution as Hacker

(00:59:31) Issues in file extension validation components, Emulated register_globals, & AI Hacking

Jaksot(162)

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...

6 Heinä 20231h 33min

Episode 25: 2xMVH & Multi-million dollar hacker Inhibitor181

Episode 25: 2xMVH & Multi-million dollar hacker Inhibitor181

Episode 25: In this episode of Critical Thinking - Bug Bounty Podcast we talk to Cosmin (@Inhibitor181), fresh off of winning his 2nd MVH! We chat about the time management and strategy of hacking Mul...

29 Kesä 20231h 11min

Episode 24: AI + Hacking with Daniel Miessler and Rez0

Episode 24: AI + Hacking with Daniel Miessler and Rez0

Episode 24: In this episode of Critical Thinking - Bug Bounty Podcast, we chat with Daniel Miessler and Rez0 about the emergence and potential of AI in hacking. We cover AI shortcuts and command line ...

22 Kesä 20231h 3min

Episode 23: Hacker Loadouts

Episode 23: Hacker Loadouts

Episode 23: In this episode of Critical Thinking - Bug Bounty Podcast, we delve into a different aspect of hardware - Our personal loadouts. We go through the equipment and gear we use to get our jobs...

15 Kesä 20231h 14min

Episode 22: Chipping Away at Hardware Hacking

Episode 22: Chipping Away at Hardware Hacking

Episode 22: In this episode of Critical Thinking - Bug Bounty Podcast we talk about some basic/intermediate concepts related to Hardware Hacking. Specifically, we dive into extracting data from eMMC c...

8 Kesä 20231h 11min

Episode 21: Chill Chat with Legendary DoD Hacker Corben Leo

Episode 21: Chill Chat with Legendary DoD Hacker Corben Leo

In this episode of Critical Thinking - Bug Bounty Podcast, we chat with Corben Leo about his journey in bug bounty hunting and ethical hacking. We discuss the state of DNS rebinding in 2023, a Twitter...

1 Kesä 20231h 13min

Episode 20: Hacker Brain Hacks - Overcoming Bug Bounty's Mental Tolls

Episode 20: Hacker Brain Hacks - Overcoming Bug Bounty's Mental Tolls

Episode 20: In this episode of Critical Thinking - Bug Bounty Podcast, we dive into the world of "hacker brain hacks'' and overcoming challenges in bug bounty hunting. We discuss custom word lists, th...

25 Touko 20231h 6min

Episode 19: Audit Code, Earn Bounties (Part 2) + Zip-Snip, Sitecore, and more!

Episode 19: Audit Code, Earn Bounties (Part 2) + Zip-Snip, Sitecore, and more!

Episode 19: In this episode of Critical Thinking - Bug Bounty Podcast we further discuss some tips and tricks for finding vulns once you’ve got source code and some banger tweets/tools that popped up ...

18 Touko 202353min