Skip to main content
Tag

CAPTCHA Bypass

1 post
Write-up

CyCTF 2023 Challenge: A Whitebox Walkthrough of "The Secret App v1.0"

A whitebox walkthrough of the CyCTF 2023 'Secret App v1.0' challenge — chaining second-order blind SQL injection, a CAPTCHA logic flaw, and insecure session handling into a full admin account takeover.

Hussein Misbah · May 31, 2026 · 14 min