The XSS Rat
CWAP · Module 11 — Business Logic

Attack 3 — Workflow and step bypass

Animated, step-by-step: a four-step checkout whose state machine lives in the browser — skipped, forced, replayed and rewound.
Module 11Business logicWorkflow bypassHigh
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◤ Attacker workstation

🐀
you
idle
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◤ On the wire

◤ Server

key material
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waiting
attacker
server
hunter@cwap — bash
1× 0:00 / 0:00 step 1 / 1