Is SameSite none a security risk?

Is SameSite none a security risk?

Cookies with SameSite=None are specifically marked for use in third-party contexts. By requiring SameSite=None cookies to be Secure, users are protected by default from attacks on their identifying data that may compromise their privacy. In addition, non-secure embeds are a risk to users’ privacy and security.

Why is CSRF dead?

When operating in Strict mode the browser will not send the cookie on any cross-origin request, at all, so CSRF is completely dead in the water. The second cookie however, the sensitive cookie, would have the SameSite attribute set and the attacker can’t abuse its authority in cross-origin requests.

Why are the SameSite by default cookies flags taken away?

The ‘SameSite by default cookies’ and ‘Cookies without SameSite must be secure’ flags are no longer accessible to users which is inconveniencing them. This is simply because disabling the said flags allowed users and developers to manage particular sites as per their requirements.

What are the values of the SameSite flag?

It also provides some protection against cross-site request forgery attacks. Possible values for the flag are none, lax, or strict. The strict value will prevent the cookie from being sent by the browser to the target site in all cross-site browsing contexts, even when following a regular link.

Why are my SameSite cookies not marked secure?

Cookie “ myCookie ” rejected because it has the “sameSite=none” attribute but is missing the “secure” attribute. The warning appears because any cookie that requests SameSite=None but is not marked Secure will be rejected. To fix this, you will have to add the Secure attribute to your SameSite=None cookies.

How does SameSite protect against cross site requests?

SameSite prevents the browser from sending this cookie along with cross-site requests. The main goal is to mitigate the risk of cross-origin information leakage. It also provides some protection against cross-site request forgery attacks. Possible values for the flag are none, lax, or strict.