◉ Official answer
🎯 Event RSVP Platform (General · Level 1 · +50 XP)
An invitation-only event platform uses predictable 4-digit invite codes and allows header injection in automated confirmation emails.
Learning & Defense Goals:
🎯 Launch Isolated Sandbox on Cyber Lab →
Community Discussion Rules: Discuss methodologies, discovery tactics, and architectural hardening. Please do not post raw flags directly. Share your production remediation code!