medium.com/tag/penetration-testing· Oct 16, 2026· by Rajsegar Alagarathnam

TryHackMe Support — From Helpdesk Access to Remote Code Execution

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How I chained weak authentication, cookie manipulation, IDOR, path traversal and OS command injection to compromise an intentionally… Continue reading on Medium »
🎯 Vulnerability: Insecure Direct Object Reference (IDOR)
💡 Defense Fix: Enforce object-level access control checks (ABAC/RBAC) on the server side for every API request.
#penetration-testing#web-security-testing#ethical-hacking#tryhackme#cybersecurity