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Shopify fix guide

Cookies Missing SameSite Attribute on Shopify

Cookies are set without the SameSite attribute. While modern browsers default to Lax, explicitly setting it provides better CSRF protection.

Issue ID: SEC-COOKIE-SAMESITE-001Severity: minorEffort: S

Why this matters

Cookies are set without the SameSite attribute. While modern browsers default to Lax, explicitly setting it provides better CSRF protection. This affects browser trust signals and whether visitors feel safe submitting contact details.

Shopify fix path

How to fix this on Shopify

Use theme settings, page settings, or theme code.

  1. 1Find the source of the issue in Shopify admin.
  2. 2Apply the change.
  3. 3Preview and publish.

After you fix it

  • Inspect cookies and confirm all have an explicit SameSite attribute

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