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Webflow fix guide

Cookies Missing HttpOnly Flag on Webflow

Cookies are set without the HttpOnly flag, making them accessible to JavaScript. This increases the risk of cookie theft via XSS attacks.

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

Why this matters

Cookies are set without the HttpOnly flag, making them accessible to JavaScript. This increases the risk of cookie theft via XSS attacks. This affects browser trust signals and whether visitors feel safe submitting contact details.

Webflow fix path

How to fix this on Webflow

Use page settings, Designer, or project settings.

  1. 1Locate the element or setting causing the issue.
  2. 2Update it in Webflow.
  3. 3Publish and validate the output.

After you fix it

  • Inspect cookies in DevTools and confirm session cookies have the HttpOnly flag

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