Authentication & Access Control

OAuth 2.0 Attacks

Learn how OAuth authorization flows break under redirect_uri manipulation, missing state parameters, and authorization code interception.

Intermediate50 min6 lessons1 hands-on

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First lesson free. The full module is part of Pro.

You'll be able to

✓Understand the OAuth 2.0 authorisation code flow end to end
✓Exploit open redirects in redirect_uri to steal authorisation codes
✓Perform CSRF on the OAuth callback to link attacker accounts
✓Abuse the implicit flow and token leakage via referrer headers

Lessons

1How Researchers Exploited OAuth in 50% of Major Apps
2Attack — redirect_uri Bypass and Missing State
3The Authorization Code Flow — Every Parameter Explained
4Mini Lab — Identify the OAuth Vulnerability
5Your Turn: Hijack the RedirectHANDS-ON
6Module quiz