Episode 68: 0-days & HTMX-SS with Mathias

Episode 68: In this episode of Critical Thinking - Bug Bounty Podcast Mathias is back with some fresh HTMX research, including CSP bypass using HTMX triggers, converting client-side response header injection to XSS, bypassing HTMX disable, and the challenges of using HTMX in larger applications and the potential performance trade-offs. We also talk about the results of his recent CTF Challenge, and explore some more facets of CDN-CGI functionality.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: [email protected] to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://twitter.com/rhynoraterProject Discovery Conference: https://nux.gg/hss24------ 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.Today’s Guest:https://twitter.com/avlidienbrunnResources:Masato Kinugawa's research on Teamshttps://speakerdeck.com/masatokinugawa/how-i-hacked-microsoft-teams-and-got-150000-dollars-in-pwn2own?slide=33subdomain-only 307 open redirecthttps://avlidienbrunn.se/cdn-cgi/image/onerror=redirect/http://anything.avlidienbrunn.seTimestamps(00:00:00) Introduction(00:05:18) CSP Bypass using HTML(00:14:00) Converting client-side response header injection to XSS(00:23:10) Bypassing hx-disable(00:32:37) XSS-ing impossible elements(00:38:22) CTF challenge Recap and knowing there's a bug(00:51:53) hx-on (depreciated)(00:54:30) CDN-CGI Research discussion