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IDOR

Insecure Direct Object Reference

  • App exposes reference to internal object that shouldn't be visible to the current user

  • Eg. cookie value 2 for current user can be changed to 3 and attacker can see another user's information

Testing

  • HTML, JS files

  • Cookies (both encoded and normal strings)

  • URL

    • id, userid, value, pid, post_id

Impact

  • Account takeover

  • Change user data

  • Access private data

  • Access internal data

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Last updated 2 years ago