Bypassing subscription tiers by manipulating API parameters.
These cannot be found by automated scanners. Examples include: Changing the price of an item in a shopping cart.
Using "cancel" and "refund" buttons simultaneously to double a balance. IDOR (Insecure Direct Object Reference) bug bounty tutorial exclusive
For template-based scanning of known vulnerabilities.
🚀 Would you like a for testing API-specific vulnerabilities in your next hunt? Bypassing subscription tiers by manipulating API parameters
A numbered list that a junior developer can follow. Remediation: Suggest how to fix it. The Exclusive Toolkit
The bug bounty landscape changes weekly. To stay exclusive, you must follow the "Daily Read" habit. Monitor GitHub for new exploits, follow top hunters on X (Twitter), and read every disclosed report on HackerOne. Knowledge is the only barrier to entry that actually matters. Using "cancel" and "refund" buttons simultaneously to double
Try adding the same parameter twice in a request. If the server only expects one, it might process the second one differently, leading to bypassed filters or unauthorized actions. Phase 3: The Art of the Report
Once you have the domains, find the subdomains. Don't stop at the first layer. Deep-dive into third-party integrations and dev environments like ://target.com . These are often goldmines for leaked credentials or unauthenticated endpoints. Phase 2: Vulnerability Analysis