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, & Magic String Denial of Service in Claude.

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====== 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 Validation Bypass to XSS via Parser Differential https://lab.ctbb.show/research/parse-and-parse-mime-validation-bypass-to-xss-via-parser-differential

Claude Magic String Denial of Service https://x.com/Frichette_n/status/2013988503336415522

From WebView to Remote Code Injection https://djini.ai/from-webview-to-remote-code-injection/

DOM XSS Is Not Dead: The Rise of Polyglot Payloads https://blogs.jsmon.sh/dom-xss-is-not-dead-the-rise-of-polyglot-payloads/

====== Timestamps ====== (00:00:00) Introduction (00:06:17) Cloudflare Zero-day & Turning List-Unsubscribe into an SSRF/XSS Gadget (00:16:57) Breaking Multi-Tenant Isolation in Heroku Postgres & CTBB Research (00:25:46) Claude Magic String Denial of Service & From WebView to Remote Code Injection