Episode 79: The State of CSS Injection - Leaking Text Nodes & HTML Attributes

Critical Thinking - Bug Bounty Podcast

Episode 79: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive CSS injection, and explore topics like sequential import chaining, font ligatures, and attribute exfiltration.

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Shoutout to YTCracker for the awesome intro music!

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Resources:

SpaceRaccoon's Universal Code Execution Extensions

Escalating Client Side Path Traversal

Full-time Bug Bounty Blueprint

Sequential Import Chaining

CSS Exfiltation

Link that Justin was talking about

Font Ligatures

Lava Dome bypass

Stealing Data in Great Style

Steal Script Contents

Masato Kinugawa's tweet

Attacking with Just CSS

CSS Injection Primitives

Timestamps:

(00:00:00) Introduction

(00:02:32) Universal Code Execution

(00:11:32) Escalating Client Side Path Traversal

(00:16:56) Justin's Defcon talk & Bug Bounty Blueprint

(00:23:32) CSS Injection

(00:39:23) Font Ligatures

(00:54:30) Descent Override and display:block