Crucial Exams

Certified Ethical Hacker (CEH) Practice Question

While testing a banking portal, you inject "" into a comment field. The browser's client-side validation blocks the input, but after resending the modified request through an intercepting proxy the script is stored and runs for every visitor. Which fundamental web application concept did the developers ignore?

  • Relying on client-side input validation instead of enforcing validation on the server

  • Implementing layered defense by duplicating security controls at each tier

  • Applying least-privilege access controls to application roles

  • Using parameterized queries to separate code from data in SQL statements

Certified Ethical Hacker (CEH)
Web Application Hacking
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