1. Web Security Academy
  2. Web cache poisoning
  3. Exploiting
  4. Lab

Lab: Web cache poisoning with an unkeyed cookie

PRACTITIONER

This lab is vulnerable to web cache poisoning because cookies aren't included in the cache key. A user visits the home page roughly once a minute. To solve this lab, poison the cache with a response that executes alert(1) in the visitor's browser.

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