Episode 127: Drama, PDF as JS Chaos, Bounty Profile Apps, And More

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/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter:https://x.com/Rhynoraterhttps://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 Managementhttps://www.criticalthinkingpodcast.io/TL-patch-managementToday’s Guest: Valentino - https://blog.3133700.xyz/====== Resources ======JMX ManagerStored XSS in reclamosCommand Injection in Vertex AIwhitepaper-net-deser.pdffree-after-use.goA Journey Into Finding Vulnerabilities in the PMB Library Management Systememulated-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

Episode 129: In this episode of Critical Thinking - Bug Bounty Podcast we chat about the future of hack bots and human-AI collaboration, the challenges posed by tokenization, and the need for cybersecurity professionals to adapt to the evolving landscape of hacking in the age of AIFollow us on twitter at: https://x.com/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter: https://x.com/Rhynoraterhttps://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!====== This Week in Bug Bounty ======Improper error handling in async cryptographic operations crashes processhttps://hackerone.com/reports/2817648Recon Series #6: Excavating hidden artifacts with Wayback Machinehttps://www.yeswehack.com/learn-bug-bounty/recon-wayback-machine-web-archive====== Resources ======This is How They Tell Me Bug Bounty Ends https://josephthacker.com/hacking/2025/06/09/this-is-how-they-tell-me-bug-bounty-ends.htmlWelcome, Hackbots: How AI Is Shaping the Future of Vulnerability Discoveryhttps://www.hackerone.com/blog/welcome-hackbots-how-ai-shaping-future-vulnerability-discoveryGlitch Tokenhttps://www.youtube.com/watch?v=WO2X3oZEJOAConducting smarter intelligences than me: new orchestrashttps://southbridge-research.notion.site/conducting-smarter-intelligences-than-me====== Timestamps ======(00:00:00) Introduction(00:04:05) Is this how Bug Bounty Ends?(00:11:14) Hackbots and handling leads(00:20:50) Hacker chain of thought & Tokenization(00:32:54) Context Engineering

Episode 128: In this episode of Critical Thinking - Bug Bounty Podcast we talking Blind SSRF and Self-XSS, as well as Reversing massive minified JS with AI and a wild Google Logo Ligature BugFollow us on twitter at: https://x.com/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter: https://x.com/Rhynoraterhttps://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====== This Week in Bug Bounty ======BitK's "Payload plz" challenge at LeHack====== Resources ======Make Self-XSS Great AgainNovel SSRF Technique Involving HTTP Redirect LoopsSurf - Escalate your SSRF vulnerabilities on Modern Cloud EnvironmentsGecko: Intent to prototype: Framebusting InterventionConducting smarter intelligences than me: new orchestrasMandarkLumentisjscollabGoogle Logo Ligature Bug====== Timestamps ======(00:00:00) Introduction(00:03:55) Self-XSS and credentialless iframe (00:16:50) Novel SSRF Technique Involving HTTP Redirect Loops(00:25:02) Framebusting(00:29:13) Reversing massive minified JS with AI(00:53:12) Google Logo Ligature Bug

Episode 127: In this episode of Critical Thinking - Bug Bounty Podcast we address some recent bug bounty controversy before jumping into a slew of news itemsFollow us on XShoutout to YTCracker for the awesome intro music!Today's Sponsor: Adobe====== This Week In Bug Bounty ======Hackers Guide to Google dorkingYesWeCaidoNew Dojo ChallengeSmart Contract BB tipsRed Team AAS====== Resources ======DisclosedPDF csp bypassBypassing File Upload Restrictions To Exploit Client-Side Path TraversalOBS WebSocket to RCETime in a bottle (or knapsack)How to Differentiate Yourself as a Bug Bounty HunterDisclosed. Onlinehacked-in‘EchoLeak’Piloting Edge CopilotNewtownerTips for agent promptingFirefox XSS vectorsTweet from Masato KinugawaChrome debug() function

Episode 126: In this episode of Critical Thinking - Bug Bounty Podcast we wrap up Rez0’s AI miniseries ‘Vulnus Ex Machina’. Part 3 includes a showcase of AI Vulns that Rez0 himself has found, and how much they paid out.Follow us on twitter at: https://x.com/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter: https://x.com/Rhynoraterhttps://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 Web Controlhttps://www.criticalthinkingpodcast.io/tl-webcontrol====== Resources ======Claude Code System PromptAttacking AI AgentsProbability of HacksNew Gemini for Workspace Vulnerability Enabling Phishing & Content ManipulationHow to Hack AI Agents and Applications====== Timestamps ======(00:00:00) Introduction(00:02:53) NahamCon Recap, Claude news, and wunderwuzzi writeups (00:08:57) Probability of Hacks(00:11:27) First AI Vulnerabilities(00:18:57) AI Vulns on Google (00:25:11) Invisible prompt Injection

Episode 125: In this episode of Critical Thinking - Bug Bounty Podcast Justin shares insights on how to succeed at live hacking events. We cover pre-event preparations, challenges of collaboration, on-site strategies, and the importance of maintaining a healthy mindset throughout the entire process.Follow us on twitter at: https://x.com/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter: https://x.com/Rhynoraterhttps://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!====== This Week in Bug Bounty ======Decathlon Public Bug Bounty Program on YesWeHack====== Resources ======The Ultimate Double-Clickjacking PoCGrafana Full read SSRF and Account Takeover: CVE-2025-4123Grafana CVE-2025-4123 ExploitWhat I learned from my first 100 HackerOne ReportsRoot for your friends====== Timestamps ======(00:00:00) Introduction(00:02:30) The Ultimate Double-Clickjacking PoC, Grafana CVE, & Evan Connelly's first 100 bugs(00:10:23) How to win at Live Hacking Events(00:11:53) Pre-event(00:11:45) Scope Call(00:33:11) Dupe window Ends(00:36:00) Onsite & and Day of Event(00:42:46) Don't define your identity on the outcome

Episode 124: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph cover some news from around the community, hitting on Joseph’s Anthropic safety testing, Justin’s guest appearance on For Crying Out Cloud, and several fascinating tweets. Then they have a quick Full-time Bug Bounty check-in.Follow us on twitter at: https://x.com/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter: https://x.com/Rhynoraterhttps://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 Web Controlhttps://www.criticalthinkingpodcast.io/tl-webcontrol====== This Week in Bug Bounty ======Louis Vuitton Public Bug Bounty ProgramCVE-2025-47934 was discovered on one of our Bug Bounty program : OpenPGP.jsStored XSS in File Upload Leads to Privilege Escalation and Full Workspace Takeover====== Resources ======Jorian tweetClipjacking: Hacked by copying text - Clickjacking but betterCrying out Cloud AppearanceWiz Research takes 1st place in Pwn2Own AI categoryNew XSS vector with image tag====== Timestamps ======(00:00:00) Introduction(00:10:50) Supabase(00:13:47) Tweet-research from Jorian and Wyatt Walls.(00:20:24) Anthropic safety testing challenge & Wiz Podcast guest appearance(00:27:44) New XSS vector, Google i/o, and coding agents(00:35:48) Full Time Bug Bounty

Episode 123: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with part 2 of Rez0’s miniseries. Today we talk about mastering Prompt Injection, taxonomy of impact, and both triggering traditional Vulns and exploiting AI-specific features.Follow us on twitter at: https://x.com/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter:https://x.com/Rhynoraterhttps://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 User Storehttps://www.criticalthinkingpodcast.io/tl-userstore====== This Week in Bug Bounty ======Earning a HackerOne 2025 Live Hacking Invitehttps://www.hackerone.com/blog/earning-hackerone-2025-live-hacking-inviteHTTP header hacks: basic and advanced exploit techniques exploredhttps://www.yeswehack.com/learn-bug-bounty/http-header-exploitation====== Resources ======Grep.apphttps://vercel.com/blog/migrating-grep-from-create-react-app-to-next-jsGemini 2.5 Pro prompt leakhttps://x.com/elder_plinius/status/1913734789544214841Pliny's CL4R1T4Shttps://github.com/elder-plinius/CL4R1T4SO3https://x.com/pdstat/status/1913701997141803329====== Timestamps ======(00:00:00) Introduction(00:05:25) Grep.app, O3, and Gemini 2.5 Pro prompt leak(00:11:09) Delivery and impactful action(00:20:44) Mastering Prompt Injection(00:30:36) Traditional vulns in Tool Calls, and AI Apps(00:37:32) Exploiting AI specific features

Episode 122: In this episode of Critical Thinking - Bug Bounty Podcast your boys are MVH winners! First we’re joined by Zak, to discuss the Google LHE as well as surprising us with a bug of his own! Then, we sit down with Lupin and Monke for a winners roundtable and retrospective of the event.Follow us on twitter at: https://x.com/ctbbpodcastGot any ideas and suggestions? Feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0 on Twitter:https://x.com/Rhynoraterhttps://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!Check out the CTBB Job Board: https://jobs.ctbb.show/Today’s Guests:Zak Bennett : https://www.linkedin.com/in/zak-bennett/Ciarán Cotter: https://x.com/monkehackRoni Carta: https://x.com/0xLupin====== Resources ======We hacked Google’s A.I Gemini and leaked its source codehttps://www.landh.tech/blog/20250327-we-hacked-gemini-source-code====== Timestamps ======(00:00:00) Introduction(00:03:02) An RCE via memory corruption(00:07:45) Zak's role at Google and Google's AI LHE(00:15:25) Different Components of AI Vulnerabilities(00:24:58) MHV Winner Debrief(01:08:47) Technical Takeaways And Team Strategies(01:28:49) LHE Experience and Google VRP & Abuse VRP

Episode 121: In this episode of Critical Thinking - Bug Bounty Podcast we cover so much news and research that we ran out of room in the description...Follow us on XShoutout to YTCracker for the awesome intro music!====== Links ======Follow Rhynorater and Rez0 on X:====== Ways to Support CTBBPodcast ======Hop on the CTBB Discord!We also have hacker swag!====== This Week in Bug Bounty ======Hacker spotlight: RhynoraterUltra Mobile BB Program - Mobile AppsUltra Mobile BB Program - (Public)John Deere ProgramJD's's BB Program Boosts CybersecurityDojo #41 - Ruby treasure====== Resources ======slonser 0-day in chromeCT Additional useful primitivesHow I made $64k from deleted filesCTBB episode with Sharon BrizinovRez0's Subdomain Link LauncherQwen3 Local ModelMay Cause Pwnageimport WAF bypassCaido DropAndre's tweet about encoded wordNahamconGemini prompt leakSVG Onload Handlers