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Framework Security

Is Vue.js Secure? Security Features, Risks, and Hardening

Yes, Vue.js is generally secure when configured correctly. Here is what you need to know about its built-in protections, common vulnerabilities, and how to harden it for production.

Built-in Security Features

Automatic HTML escaping in templates using double curly braces
Vue template compiler rejects JavaScript in template expressions
Built-in protection against attribute injection
CSP-compatible builds available

Common Vulnerabilities

XSS through v-html directive with unsanitized content
Template injection when using user input in Vue.compile()
Insecure dynamic component rendering with :is binding
Prototype pollution through reactive object manipulation
URL injection through :href bindings

Hardening Checklist

1Never use v-html with user-supplied content without sanitization
2Use DOMPurify to sanitize any HTML that must be rendered dynamically
3Avoid server-side template compilation with user input
4Validate all URL bindings to prevent javascript: protocol injection
5Configure CSP headers and use CSP-compatible Vue builds
6Audit third-party Vue plugins for security issues
7Use Vue Router navigation guards for access control
8Enable production mode to disable devtools and verbose warnings
Official Vue.js security documentation

Frequently Asked Questions

Is Vue.js secure?

Yes, Vue.js is generally secure when configured correctly. It includes built-in protections like automatic html escaping in templates using double curly braces. However, common misconfigurations and development patterns can introduce vulnerabilities.

What are the main security risks with Vue.js?

The most common Vue.js security risks include xss through v-html directive with unsanitized content, template injection when using user input in vue.compile(), insecure dynamic component rendering with :is binding.

How do I harden Vue.js for production?

Key hardening steps: Never use v-html with user-supplied content without sanitization. Use DOMPurify to sanitize any HTML that must be rendered dynamically. Avoid server-side template compilation with user input. Run a security check on your domain to identify specific issues.

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