Skip to main content
Webflow fix guide

Missing Content Security Policy on Webflow

No Content-Security-Policy header found. CSP helps prevent cross-site scripting (XSS) and data injection attacks.

Issue ID: SEC-CSP-001Severity: moderateEffort: M

Why this matters

No Content-Security-Policy header found. CSP helps prevent cross-site scripting (XSS) and data injection 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

  • ✓Check response headers for Content-Security-Policy with browser DevTools

Same fix, other platforms

Fix missing content security policy on a different CMS

Other fixes

More Webflow fixes

Parents

Related guides

See every Webflow issue on your site

This is one issue of many the full audit checks. Run a free scan to see what else might be holding your site back.

Run Free Audit