Episode
Episode 160: Cloudflare Zero-days & Mail Unsubscribing for XSS
- Published
- Feb 5, 2026
- Duration seconds
- 2704
- Processing state
not_requested- Canonical source
- https://criticalthinkingpodcast.io
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Summary
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, & Magic String Denial of Service in Claude. Follow us on twitter at: https://x.com/ctbbpodcast Got any ideas and suggestions? Feel free to send us any feedback here: [email protected] 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 Sponsor: Adobe. Use code CTBB040126, and get a 10% bonus on your bounty for any AI vulnerability which is mapped to the OWASP LLM top 10. Valid on Adobe Acrobat Web - AI Assistant / PDF Spaces / Content Creation and presentation features using Express Adobe Express AI Assistant. Valid through April 1st, 2026 Also we have a Google Cloud VRP Swag Bonus! Mention the podcast in any rewarded (cash or credit) VRP report submission before the end of April to receive bonus swag! ====== Resources ====== Cloudflare Zero-day https://fearsoff.org/research/cloudflare-acme Turning List-Unsubscribe into an SSRF/XSS Gadget https://security.lauritz-holtmann.de/post/xss-ssrf-list-unsubscribe/ Breaking Multi-Tenant Isolation in Heroku Postgres https://allistair.sh/blog/breaking-heroku-postgres/ Parse and Parse: MIME Validat…