What are Webflow security best practices?

The best practices specific to Webflow (not generic OWASP)

Every "security best practices" list tells you to use HTTPS and rotate keys. Those are table stakes. The list below is what actually matters for Webflow apps, based on the risks that appear in real Webflow deployments.

1. Audit all custom code embeds

*Why:* Pasted JavaScript embeds can introduce XSS vulnerabilities. *Do this:* Audit all custom code embeds. Only paste from trusted sources.

2. Configure Collection visibility settings

*Why:* CMS data may be exposed in page source if visibility not configured. *Do this:* Configure Collection visibility settings. Don't store secrets in CMS.

3. Review all third-party scripts

*Why:* Embedded scripts have full page access. *Do this:* Review all third-party scripts. Minimize external dependencies.

4. Use Webflow integrations for processing

*Why:* Forms lack server-side validation—client-only checks. *Do this:* Use Webflow integrations for processing. Don't collect sensitive data.

5. Add headers via custom code or Cloudflare proxy

*Why:* Custom security headers require manual configuration. *Do this:* Add headers via custom code or Cloudflare proxy.

Verification

Even perfect best practices don't prove themselves — the only way to confirm the list above is implemented is to scan a deployed Webflow app. VAS probes each of cms security, form security, custom code, headers by actually attempting the attack, not just reading headers or docs.