Master Secure Coding
Master Secure Coding
Level up your security skills with hands-on code review challenges. Identify and fix vulnerabilities to become a better engineer.
Support Tickets
Review the code for SecureBank's customer support portal built with Express.js and TypeScript. This internal tool allows customers to submit support tickets with file attachments (receipts, screenshots, etc.) and later retrieve them. The development team recently refactored the attachment download feature to improve performance. Examine how file retrieval is handled to ensure customer data remains protected.
Vulnerable Code
Instructions:
- Browse through the files to understand the application structure
- Find and click on the line containing the vulnerability
- Click "Check Line" to verify your answer
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