IDOR - Santa’s Little IDOR Tryhackme Walkthrough

Explore the IDOR vulnerability room on TryHackMe Advent of Cyber 2025. Learn Insecure Direct Object References, exploit authorization flaws, strengthen web app security, and sharpen penetration testing skills — ideal for aspiring bug hunters.

OFFENSIVE SECURITYMETHODOLOGYWEB APPLICATION SECURITYIDORPENETRATION TESTERGUIDEVULNERABILITY ANALYSISTRYHACKME WRITEUPSCTFPENETRATION TESTINGSECURITYTECHNOLOGYEXPLOITATIONTRYHACKME WALKTHROUGHCYBERSECURITY CHALLENGESWEB APPLICATION FIREWALL BYPASSTRYHACKME ROOM SOLUTIONSTRYHACKME ANSWERSCYBERSECURITY LABSETHICAL HACKINGCYBERSECURITYTRYHACKMEDEVELOPER TOOLS

Jawstar

12/7/20251 min read

Answer the questions below

What does IDOR stand for?
Insecure Direct Object Reference

What type of privilege escalation are most IDOR cases?
Horizontal

Exploiting the IDOR found in the view_accounts parameter, what is the user_id of the parent that has 10 children?
15

Task 2 : IDOR on the Shelf

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