json-parameter-manipulation

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0 4/10

Researcher bypassed two-factor authentication by removing the VerificationDetails JSON parameter from a settings API endpoint, allowing 2FA to be toggled on/off without providing a valid OTP code. The vulnerability exploited insufficient server-side validation of required fields.

Aung Pyae Ko Ko
aungpyaekoko.medium.com · kh4sh3i/bug-bounty-writeups · 19 hours ago · details
0 5/10

Researcher discovered full account takeover vulnerability by chaining a missing CSRF token validation on the password change endpoint with a hidden 'uid' parameter discovered via Param Miner, allowing password changes for any user without authentication, resulting in a $1000 bounty.

Mohsin Khan Param Miner Burp Suite James Kettle
mokhansec.medium.com · kh4sh3i/bug-bounty-writeups · 19 hours ago · details