OWASP Vulnerabilities · interview question
In the context of XSS, why is it insufficient to rely solely on client-side JavaScript sanitization?
Multiple choiceHardchapter-17-curatedpremiumowasp-vulnerabilitiescross-site-scripting-xss
Answer and explanation
Correct answer
A. Client-side validations can be bypassed.
Why
Client-side validations can be bypassed by attackers who disable JavaScript or manipulate the client. Server-side validation and encoding are essential to ensure security.
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