Which of the following is the BEST approach to prevent Cross-site Scripting (XSS) flaws?

Which of the following is the BEST approach to prevent Cross-site Scripting (XSS) flaws?
A . Use digital certificates to authenticate a server prior to sending data.
B . Verify access right before allowing access to protected information and UI controls.
C . Verify access right before allowing access to protected information and UI controls.
D . Validate and escape all information sent to a server.

View Answer

Answer: D