Webflow
Framer

Webflow vs Framer Security

Webflow and Framer are visual website builders that have evolved toward more capable application features. Both allow custom code, but their security models differ in how they handle dynamic content, authentication, and third-party integrations. Understanding these differences matters for building secure marketing sites and web applications.

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Security Comparison

Category
Webflow
Framer
CMS Security
Visual CMS with access controls, API access available
CMS features, localization, API access
Custom Code Risks
Embed code, custom scripts, potential XSS vectors
Code overrides, custom components, similar XSS risks
Authentication
Memberships with Webflow-managed auth
No native auth, third-party integrations required
E-commerce Security
Built-in e-commerce with PCI compliance handled
No native e-commerce, third-party integrations
Form Handling
Native forms with validation, webhook integrations
Native forms, integrations available
API Exposure
CMS API with authentication, rate limited
API for CMS content, authentication required

The Verdict

Webflow offers more built-in security features including native authentication (Memberships) and PCI-compliant e-commerce. Framer requires third-party integrations for these features, which adds complexity and potential security gaps. For simple marketing sites, both are comparable. For sites with user accounts or payments, Webflow's integrated approach is more secure.

For marketing sites without user data: either platform works, focus on securing custom code embeds. For sites with memberships: Webflow's native Memberships is more secure than third-party integrations. For e-commerce: Webflow's PCI-compliant system is safer than bolting on third-party solutions to Framer.

Industry Security Context

When comparing Webflow vs Framer, consider these broader security trends.

10.3%

of Lovable applications (170 out of 1,645) had exposed user data in the CVE-2025-48757 incident

Source: CVE-2025-48757 security advisory

91%

of data breaches involve databases with misconfigured access controls

Source: Verizon Data Breach Investigations Report

4.45 million USD

average cost of a data breach in 2023

Source: IBM Cost of a Data Breach Report 2023

Vibe coding your way to a production codebase is clearly risky. Most of the work we do as software engineers involves evolving existing systems, where the quality and understandability of the underlying code is crucial.

Simon WillisonSecurity Researcher, Django Co-creator

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Frequently Asked Questions

Are custom code embeds a security risk?

Yes, on both platforms. Embedding third-party scripts or custom code can introduce XSS vulnerabilities, data leakage, or malicious behavior. Only embed code from trusted sources, review what scripts do before adding them, and avoid embedding scripts that load additional unknown code. CSP headers help but aren't always configurable.

Which platform is safer for handling user authentication?

Webflow's native Memberships feature is safer because it's built-in and maintained by Webflow. On Framer, you'd integrate third-party auth services, which adds complexity and potential security gaps in the integration layer. Built-in solutions typically have fewer security issues than integrations.

How do CMS APIs affect security?

Both platforms expose APIs for CMS content. Ensure API keys are kept secret, use them server-side only, and implement appropriate rate limiting. Neither platform's API should expose sensitive data if you configure CMS access controls properly. Review what fields are exposed through the API.

Should I handle payments through these platforms?

For payments on Webflow, use their native e-commerce which handles PCI compliance. For Framer, you'll integrate Stripe or similar - ensure the integration follows security best practices and never handles card data directly. Third-party payment integrations can be secure but require careful implementation.