Josh Beck

https://cyberlessons101.com CTF Activity Index

Sec+ Key Concept: TOTP

About iCSI

Smaug Codebase: Lots of history here. Lots of student areas built.

Cyberlessons101 Hostable Scoreboard!

CTF: The admin bot checks your messages every minute. Can you exploit this behavior with XSS?

CTF Activity: Can you get admin?> Provide the file passwords.txt to participants.

CTF Activity: Provide the server.js source code to participants.

Mary can't log into her account. Can you help? She uses a simple password

Can you sum up the values to produce a negative result and receive the flag?

CTF Activity: Blind SQL Injection. Solution Guide Included

CTF Activity/Lesson: Understanding PHP Filter Chains. Solution Guide Included

CTF Activity: CVE-2024-51793 (Wordpress). Black Box This Time. Solution Guide Release TBA

CTF Activity: Can you reveal the flag? (Solution Guide Not Published Yet.) Live challenge!

CTF Activity: PHP Serialization Magic Methods Tutorial. (Solution Guide Included)

CTF Activity: Learn the basics of PHP serialization. (Nothing Fancy!) Solution Guide Included.

CTF Activity: WPQuery CVE-2024-50498. Solution Guide Included

CTF: CVE-2026-24061 (Telnetd) via USER Variable. Solution Guide Included.