How to Secure Your Webflow App
Last updated: April 20, 2026
Webflow handles hosting security, but you're responsible for application-level security. This guide covers securing Webflow websites.
Why Security Matters for Webflow
Key Security Concerns
Security Strengths
Step-by-Step Security Guide
1. Protect Forms with reCAPTCHA
Enable reCAPTCHA on forms to prevent bot submissions and spam.
2. Secure Custom Code
Review all embedded JavaScript for security issues. Never put API keys in custom code.
3. Use Server-Side for Secrets
Webflow is client-side. Use serverless functions or proxies for any API calls requiring secret keys.
4. Verify SSL Configuration
Ensure HTTPS is enabled and enforced for your domain.
5. Audit Third-Party Scripts
Review any embedded scripts from third parties. They can access your page content.
6. Protect CMS Content
Configure CMS collection visibility appropriately. Don't store secrets in CMS fields.
Common Security Mistakes
Avoid these common Webflow security pitfalls:
Recommended Security Tools
Use these tools to maintain security throughout development:
Ready to Secure Your App?
Security is an ongoing process, not a one-time checklist. After implementing these steps, use VAS to verify your Webflow app is secure before launch, and consider regular scans as you add new features.
Frequently Asked Questions
How do I hide API keys in Webflow?
You can't hide secrets in Webflow's client-side code. Use Webflow's native integrations, Zapier, or serverless functions to make API calls requiring secret keys.
Is Webflow secure?
Webflow handles hosting security (SSL, DDoS protection). You're responsible for form security, custom code safety, and third-party script auditing.
Explore Related Resources
More on Webflow Security
Every angle of Webflow security — from the specific findings we detect to step-by-step fixes.
Webflow Security Scanner
Hub page: scan your Webflow app for vulnerabilities.
Webflow Security Risks
Specific risks we find in Webflow apps, with real-world examples.
Webflow Security Issues
Issues grouped by severity with detection and fix steps.
Webflow Best Practices
Remediation playbook derived from Webflow's actual failure modes.
Is Webflow Safe?
Honest assessment of Webflow's production readiness.
Webflow Security Checklist
Pre-launch checklist covering every finding class for Webflow.
Can Webflow Apps Be Hacked?
Attack vectors specific to Webflow and how they get exploited.