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 Ul controls.
C. Verify access right before allowing access to protected information and Ul controls.
D. Validate and escape all Information sent to a server.
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Correct:D
XSS COUNTER MEASURES
1.Sanitization
2.Input Validation
3.Escaping
cross-site scripting countermeasures are input validation and output escaping.