Episode 140: Crit Research Lab Update & Client-Side Tricks Galore

Episode 140: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph give an update from The Crit Research Lab, as well as some writeups on postMessage vulnerabilities, Cookie Chaos, and more.Follow us on X at: https://x.com/ctbbpodcastGot any ideas and suggestions? Send us feedback at [email protected] to YTCracker for the awesome intro music!====== Links ======Follow your hosts Rhynorater and Rez0====== Ways to Support CTBBPodcast ======Hop on the CTBB Discord!Get some hacker swag here!====== This Week in Bug Bounty ======Cross-site request forgeryHackerOne New Milestone ProgramEmail [email protected] for media opportunities====== Resources ======Exploiting Web Worker XSS with BlobsCritical Research LabRez0's TweetCVE-2022-21703: cross-origin request forgery against GrafanaConversation about Forcing Quirks ModeAI Busniess Logic & POC or GTFOHunting postMessage Vulnerabilities – Part 1Hunting postMessage Vulnerabilities – Part 2Executive OffenseCookie Chaos: How to bypass Host and Secure cookie prefixes====== Timestamps ======(00:00:00) Introduction(00:05:48) Crit Research Update(00:13:00) Encouragement & Collaboration(00:19:37) Cross-origin request forgery & Anthropic's web fetch(00:29:17) Quirks Mode, AI Business Logic & POC or GTFO(00:44:21) Hunting postMessage & Claude Code browserbase(00:51:25) Community story, Executive Offense, & Cookie Chaos

Episode 139: In this episode of Critical Thinking - Bug Bounty Podcast Justin finally sits down with the great James Kettle to talk about HTTP Proxys, metagaming research, avoiding burnout, and why HTTP/1.1 must die!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 Guest: https://x.com/albinowaxhttps://jameskettle.com====== This Week in Bug Bounty ======Building an Android Bug Bounty labMobile Hacking Toolkit====== Resources ======CVE-2022-22720So you want to be a web security researcher?Hunting Evasive Vulnerabilities: Finding Flaws That Others Miss by James KettleHTTP/1.1 Must Die! The Desync EndgamePractical HTTP Host header attacks====== Timestamps ======(00:00:00) Introduction(00:05:01) Apache MITM-powered pause-based client-side desync(00:15:33) HTTP Proxys and Burp Suite HTTP/2 in Repeater(00:24:52) AI intagrations, life structure, and avoiding burnout(00:35:23) Client-side to server-side progression(00:47:39) The 'metagame' of security research(01:29:43) Host Header Attacks & HTTP/1.1 Must Die! (02:02:34) Is HTTP/2 the solution?

Episode 138: In this episode of Critical Thinking - Bug Bounty Podcast We’re talking Caido tools and workflows. Justin gives us a list of some of the Caido tools that have caught his interest, as well as how he’s using them.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 ======Meet YesWeHack at ROOTCON 2025https://www.yeswehack.com/page/meet-yeswehack-at-rootcon-2025New Dojo challenge featuring a Local File Inclusion in a Ruby applicationhttps://dojo-yeswehack.com/challenge-of-the-month/dojo-44?utm_source=sponsor&utm_medium=challenge&utm_campaign=dojo-44AI Red Teaming CTFhttps://ctf.hackthebox.com/event/details/ai-red-teaming-ctf-ai-gon3-rogu3-2604====== Resources ======Web Security Labshttp://caido.rhynorater.com====== Timestamps ======(00:00:00) Introduction(00:02:32) Common filters & command palette in EvenBetter(00:06:49) Notes++(00:09:28) Shift Agents and Drop(00:15:34) Workflows

Episode 137: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner and Joseph Thacker reunite to talk about AI Hacking Assistants, CSPT and cache deception, and a bunch of tools like ch.at, Slice, Ebka, and more.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 ======Vulnerability vectors: SQL injection for Bug Bounty huntersMozilla VPN Clients: RCE via file write and path traversal====== Resources ======Cache Deception + CSPT:dig @ch.atSearchlight Cyber ToolsSliceEbka-Caido-AIpostMessage targetOrigin bypass====== Timestamps ======(00:00:00) Introduction(00:01:26) Claude, Gemini, and Hacking Assistants(00:11:08) AI Safety(00:18:09) CSPT(00:23:26) ch.at, Slice, Ebka, & Searchlight Cyber Tools(00:45:19) postMessage targetOrigin bypass

Episode 136: In this episode of Critical Thinking - Bug Bounty Podcast, Joseph Thacker sits down with Jack Cable to get the scoop on a significant bug in Cluely’s desktop application, as well as the resulting drama. They also talk about Jack’s background in government cybersecurity initiatives, and the legal risks faced by security researchers.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. Checkout ThreatLocker Detect! https://www.criticalthinkingpodcast.io/tl-detectToday’s Guest: https://x.com/jackhcable?lang=en====== This Week in Bug Bounty ======Nullcon Berlinhttps://www.yeswehack.com/page/yeswehack-live-hacking-nullcon-berlin-2025?utm_source=sponsor&utm_medium=blog&utm_campaign=lhe-nullcon-berlinBB Bulletin #15https://www.linkedin.com/pulse/bug-bounty-bulletin-15-yes-we-hack-dntue/2x Bounty on Grabhttps://hackerone.com/grab?type=team====== Resources ======Corridorhttps://corridor.dev/disclose.iohttps://disclose.io/====== Timestamps ======(00:00:00) Introduction(00:03:33) Cluely Bug, Government involvement, & Disclosed.io(00:12:33) AI in security & Corridor.dev(00:29:23) Cluely Bug Fallout & Ethics of hacking outside of Programs(00:41:20) Shift Agents

Episode 135: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Ryan Barnett for a deep dive on WAFs. We also recap his Exploiting Unicode Normalization talk from DEFCON, and get his perspective on bug hunting from his time at Akamai. 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. Checkout ThreatLocker Detect! https://www.criticalthinkingpodcast.io/tl-detectToday’s Guest: https://x.com/ryancbarnett====== Resources ======Accidental Stored XSS Flaw in Zemanta 'Related Posts' Plugin for TypePadhttps://webappdefender.blogspot.com/2013/04/accidental-stored-xss-flaw-in-zemanta.htmlXSS Street-Fighthttps://media.blackhat.com/bh-dc-11/Barnett/BlackHat_DC_2011_Barnett_XSS%20Streetfight-Slides.pdfBlackhat USA 2025 - Lost in Translation: Exploiting Unicode Normalizationhttps://www.blackhat.com/us-25/briefings/schedule/#lost-in-translation-exploiting-unicode-normalization-44923====== Timestamps ======(00:00:00) Introduction(00:02:49) Accidental Stored XSS in Typepad Plugin (00:06:34) Chatscatter & Abusing third party Analytics(00:11:42) Ryan Barnett Introduction(00:21:11) Virtual Patching & WAF Challenges(00:40:39) AWS API Gateways & Whitelisting Bug Hunter Traffic(00:49:59) Lost in Translation: Exploiting Unicode Normalization(01:11:29) CSPs at the WAF level & 'Bounties for Bypass'

Episode 134: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Diego Djurado to give us the scoop on XBOW. We cover a little about its architecture and approach to hunting, the challenges with hallucinations, and the future of AI in the BB landscape. Diego also shares some of his own hacking journey and successes in the Ambassador World cup.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 StoreToday’s Guest: https://x.com/djurado9====== This Week in Bug Bounty ======Announcement of our upcoming live hacking event at Nullcon Berlin, taking place on September 4-5Bug Bounty Village Speakers 2025Talkie Pwnii Caido showcaseCaido Masterclass – From Setup to ExploitsAccess Control vs Account Takeover: What Bug Bounty Hunters Need to Know====== Resources ======CVE-2025-49493: XML External Entity (XXE) Injection in Akamai CloudTest====== Timestamps ======(00:00:00) Introduction(00:05:56) Diego's ATO Bug(00:12:01) H1 Ambassador World Cup and work with XBOW(00:20:57) XBOW's CloudTest XXE Bug(00:49:59) Freedom, Hallucinations, & Validation(01:07:24) XBOW's Architecture(01:23:50) Humans in the Loop, Harnesses, and Xbow's Reception(01:44:21) Ambassador World Cup plans for the future

Episode 133: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Harley and Ari from H1 to talk some about community management roles within Bug Bounty, as well as discuss the evolution of Bug Bounty Village at DEFCON, and what they’ve got in store this year.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 Guests:x.com/infiniteloginshttps://x.com/Arl_roseToday’s Sponsor is Adobe. Use code CTBBP0907 in your first report on Adobe Behance, Portfolio, Fonts or Acrobat Web, and earn a one-time 10% bonus reward!====== This Week in Bug Bounty ======BBV Platform Panel about TriageYesWeHACK Makes Debut at Black Hat USA 2025New Dojo challenge featuring a time-based token prediction combined PyYAML deserializationGMSGadget====== Resources ======Bug Bounty VillageSign up for the Disclosed NewsletterDisclosed OnlineHarley's Youtube Channel====== Timestamps ======(00:00:00) Introduction(00:05:51) Bug Stories and Hacking Journeys(00:32:37) Community Management within Bug Bounty(00:39:43) Bug Bounty Village - Origin & 2025 Plans(01:02:39) Disclosed Online and Harley's Upcoming Ebook

Episode 132: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is joined by Mathias Karlsson to discuss vulnerabilities associated with archives. They talk about his new tool, Archive Alchemist, and explore topics like the significance of Unicode paths, symlinks, and TAR before they end up talking about Charsets again..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: ====== Ways to Support CTBBPodcast ======Hop on the CTBB Discord!You can also find some hacker swag at https://ctbb.show/merch!Today's Sponsor: ThreatLocker - Patch ManagementToday’s Guest: Mathias Karlsson====== This Week in Bug Bounty ======Swiss Post's 2025 Public Intrusion Test starts on July 28Intigriti teams with NVIDIABugcrowd Ingenuity AwardsHack the Hacker Series - AI Vulnerabilities and Bug BountiesA Novel Technique for SQL Injection in PDO’s Prepared StatementsHow We Accidentally Discovered a Remote Code Execution Vulnerability in ETQ Reliance====== Resources ======Archive AlchemistHacking Livestream #53: The ZIP file format====== Timestamps ======(00:00:00) Introduction(00:10:04) Archive Alchemist(00:36:05) Unicode Extensions, normalization, and confusion attacks on Zip parsers(00:48:44) Character Sets(01:01:49) 7zip & File Names (01:06:44) Path Traversal, Symlinks & Identifying Techniques(01:36:05) Hardlinks and TAR

Episode 131: In this episode of Critical Thinking - Bug Bounty Podcast we're covering Christmas in July with several banger articles from Searchlight Cyber, as well as covering things like Raycast for Windows, Third-Person prompting, and touch on the recent McDonalds LeakFollow 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 is Adobe. Use code CTBBP0907 in your first report on Adobe Behance, Portfolio, Fonts or Acrobat Web, and earn a one-time 10% bonus reward!====== Resources ======v1 Instance Metadata Service protections bypassWould you like an IDOR with that? Leaking 64 million McDonald’s job applicationsHow we got persistent XSS on every AEM cloud site, thriceGoogle docs now supports export as markdownAbusing Windows, .NET quirks, and Unicode Normalization to exploit DNN (DotNetNuke)How I Scanned all of GitHub’s “Oops Commits” for Leaked SecretsBug bounty, feedback, strategy and alchemy====== Timestamps ======(00:00:00) Introduction(00:05:39) Metadata Service protections bypass & Mcdonalds Leak(00:12:30) Christmas in July with Searchlight Cyber Pt 1(00:19:43) Export as Markdown, Raycast for Windows, & Third-Person prompting(00:23:56) Christmas in July with Searchlight Cyber Pt 2(00:27:39) GitHub’s “Oops Commits” for Leaked Secrets(00:36:53) Bug bounty, feedback, strategy and alchemy