Double Submit Cookie Pattern vs SameSite Cookies

Developers should implement this pattern when building web applications that handle state-changing operations (e meets developers should learn and use samesite cookies to improve the security of web applications by preventing unauthorized cross-site requests, which is crucial for protecting user sessions and sensitive data. Here's our take.

Double Submit Cookie Pattern

Nice Pick

Developers should implement this pattern when building web applications that handle state-changing operations (e

Pros

• g
• Related to: csrf-protection, web-security

Cons

• Specific tradeoffs depend on your use case

SameSite Cookies

Developers should learn and use SameSite cookies to improve the security of web applications by preventing unauthorized cross-site requests, which is crucial for protecting user sessions and sensitive data

Pros

• It is particularly important for authentication cookies, where setting SameSite to Strict or Lax can block CSRF attacks, while None (with Secure flag) is used for cross-site scenarios like embedded iframes or third-party integrations
• Related to: http-cookies, web-security

Cons

• Specific tradeoffs depend on your use case

The Verdict

Use Double Submit Cookie Pattern if: You want g and can live with specific tradeoffs depend on your use case.

Use SameSite Cookies if: You prioritize it is particularly important for authentication cookies, where setting samesite to strict or lax can block csrf attacks, while none (with secure flag) is used for cross-site scenarios like embedded iframes or third-party integrations over what Double Submit Cookie Pattern offers.

The Bottom Line

Double Submit Cookie Pattern wins

Developers should implement this pattern when building web applications that handle state-changing operations (e