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Squarespace fix guide

Cookies Missing Secure Flag on Squarespace

Cookies are set without the Secure flag, allowing them to be transmitted over unencrypted HTTP connections. This exposes session data to interception.

Issue ID: SEC-COOKIE-SECURE-001Severity: moderateEffort: S

Why this matters

Cookies are set without the Secure flag, allowing them to be transmitted over unencrypted HTTP connections. This exposes session data to interception. This affects browser trust signals and whether visitors feel safe submitting contact details.

Squarespace fix path

How to fix this on Squarespace

Check page settings, navigation, and code injection.

  1. 1Identify whether this is page-level or site-level.
  2. 2Apply the fix.
  3. 3Republish and confirm.

After you fix it

  • Inspect cookies in DevTools and confirm all have the Secure flag

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