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burp-samesite-reporter

Burp extension that passively reports various SameSite flags.

You can download a build from this repository by downloading SameSiteReporter.jar.

This extension reports cases where the SameSite cookie flag is explicitly set to None and when it is missing. Handy for developers who want to write secure code and testers who, like me, often forget to check the SameSite value of important cookies.

SameSite=None

Samesite None Issue Samesite None Response

SameSite Missing

Samesite Missing Issue Samesite Missing Response