Authentication · interview question
Which aspect of JWT usage can lead to vulnerabilities if not properly managed?
Multiple choiceHardchapter-17-curatedpremiumauthenticationjson-web-tokens-jwt
Answer and explanation
Correct answer
A. Token storage
Why
Improper token storage, such as storing JWTs in local storage, can lead to vulnerabilities. Tokens should be stored securely, preferably in HTTP-only cookies, to prevent access by JavaScript in case of XSS attacks.
Test yourself on Authentication
A free test with instant, explained results. No account needed.
More Authentication questions
- In the context of JWT, what is the primary purpose of the signature?
- How can a Java developer verify the signature of a JWT using HMAC SHA-256?
- How would you explain a significant consequence of using stateless JWT tokens for authentication in an interview?
- Which statement about JWT payloads is correct?
- Which statement best describes the use of CSRF tokens in web applications?
- Why is using BCrypt preferable over a fast hashing algorithm like SHA-256 for password hashing?