: Step-by-step instructions so the company can reproduce your exact findings.
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Submitting the exact same coupon code 50 times at the exact same millisecond to get multiple discounts on one order.
You find a Cross-Site Request Forgery (CSRF) vulnerability on the profile update endpoint. : Step-by-step instructions so the company can reproduce
: Understand how data packets flow through layers.
Once you have a large attack surface, focus on these high-impact vulnerability classes. A. Broken Object Level Authorization (BOLA) / IDOR You find a Cross-Site Request Forgery (CSRF) vulnerability
Use JS unpackers and beautifiers to turn minified code into readable formats.
Use amass to map the Autonomous System Number (ASN), then use masscan to scan for open ports across those IP ranges.
: In payment or checkout flows, alter price parameters, quantities, or currency types. Test negative values (e.g., -1 items) to see if the system credits the account.
If you accidentally cause disruption, stop immediately and contact the program’s security team. Honesty is often appreciated.