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$1500 Blind Sql injection via json body

Bytesnull
Mar 4, 2025

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While doing some research on some payment gateway in my target. I almost check everything including every parameter. what i did was every parameter i gather scan it on sqlmap since theres no rate limit on some api endpoint.

Discovery:

when check on this endpoint i notice that when i add ‘ it throw a response of 500 internal error

so i quickly escalate this using sqlmap using time based

sqlmap -r request.txt -p filterOrders -D redacted — dump — batch

the security team ask me if I can exfiltrate the data

so dump each tables and exposed sensitive information of other user including hash password.

security team response

They patch the bug within the day after i send the reported bug :)

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