Squarespace fix guide
Cookies Missing HttpOnly Flag on Squarespace
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.
Squarespace fix path
How to fix this on Squarespace
Check page settings, navigation, and code injection.
- 1Identify whether this is page-level or site-level.
- 2Apply the fix.
- 3Republish and confirm.
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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