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.
- 1Locate the element or setting causing the issue.
- 2Update it in Webflow.
- 3Publish and validate the output.
After you fix it
- ✓Inspect cookies in DevTools and confirm session cookies have the HttpOnly flag
Same fix, other platforms
Fix cookies missing httponly flag on a different CMS
Other fixes
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