Broken Access Control – Unprotected Admin Panel via Unpredictable URL Leading to Privilege Escalation | Unprotected Admin Panel

🧠 Overview

This lab demonstrates why security through obscurity is ineffective.

Even when administrative endpoints use unpredictable URLs, they can still be exposed through client-side code such as HTML or JavaScript.

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🎯 Objective

• Identify the hidden admin panel
• Delete the user carlos

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🔍 Reconnaissance

Step 1: Inspect Page Source

The HTML source code of the application was reviewed.

🔎 Observation

A hidden administrative endpoint was discovered:

/admin-wfqh8r

📸 Evidence

This indicates that sensitive functionality is exposed in client-side code.

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💥 Exploitation

Step 2: Access Admin Panel

Navigate directly to:

/admin-wfqh8r

📸 Evidence

The admin panel is accessible without authentication.

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Step 3: Perform Administrative Action

• Accessed admin interface
• Navigated to user management
• Deleted user carlos

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📸 Proof of Exploitation

✅ Result

• Hidden admin panel successfully accessed
• No authentication or authorization enforced
• User carlos deleted
• Lab marked as solved

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🛡️ Impact

• Exposure of sensitive administrative endpoints
• Unauthorized access to privileged functionality
• Data manipulation or deletion
• Potential full system compromise

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🛠️ Mitigation

• Do not rely on hidden or unpredictable URLs for security
• Enforce authentication and authorization on all endpoints
• Avoid exposing sensitive routes in client-side code
• Validate access on the server side

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🌍 Real-World Insight

Attackers commonly discover hidden functionality by analyzing:

• HTML source code
• JavaScript files
• API responses

Relying on obscurity instead of proper access control is a frequent real-world mistake.