Course

Access control vulnerabilities and privilege escalation

PortSwigger · PortSwigger Web Security Academy Free Intermediate

The best free way to actually feel the attack: PortSwigger's free labs let you break into other users' data in a safe practice app. Working through horizontal escalation (reaching a peer's records) and vertical escalation (reaching admin functions) teaches you precisely what to test in your own product. It turns the abstract advice into muscle memory.

Practice the exact attacks in free hands-on labs
Horizontal escalation is reading another user's records
Vertical escalation is a normal user reaching admin actions

Open on portswigger.net ↗

The question it answers

How do I add proper user login and role-based access to a no-code app without leaving my data wide open?

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