Secure Checkout
Complete your purchase
⚠️ LAB ENVIRONMENT: This is a vulnerable website for educational purposes.
The checkout form has been compromised with a credit card skimmer. Use ONLY test data (never
real payment information).
🔴 ATTACK METHOD: Modified Existing File
This page loads ONE JavaScript file that has been compromised:
This page loads ONE JavaScript file that has been compromised:
-
checkout-compromised.js- Contains BOTH legitimate code AND malicious skimmer
Real-world scenario: Attacker gained access and modified the existing
file:
• Compromised admin/developer credentials (no MFA)
• Appended malicious
code to bottom of file
• File looks normal at first glance
• Last modified:
August 21, 2018 (outside business hours)
⚠️ This is MORE REALISTIC - attackers rarely add new files, they modify existing ones!
💳 VALID TEST CARD NUMBERS:
4532123456789010- Visa (16 digits)4000000000000002- Visa (16 digits)5555555555554444- Mastercard (16 digits)378282246310005- American Express (15 digits)
These numbers pass Luhn algorithm validation. Use any future expiry date (MM/YY) and any 3-4 digit CVV.