Title: Captcha Me If You Can – Root Me Write-up 🧩💀

🎯 Never trust user input, even behind a CAPTCHA.

1️⃣ CAPTCHA extraction via OCR (tesseract/pytesseract) 2️⃣ Session reuse with cookies 3️⃣ Command injection in solve parameter 4️⃣ sudo -l → python3 root flag

CAPTCHA without rate-limiting + hidden command injection = game over.

127.0.0.1; id Got uid=www-data sudo -l → user can run /usr/bin/python3 /opt/script.py as root.