Can it help me pass Chrome Web Store security reviews?

While not an official guarantee, this skill implements the specific security patterns, permission strategies, and privacy standards that Google reviewers prioritize.

How does it handle sensitive data like API keys?

The skill provides implementation patterns for backend proxies to hide keys and uses the Web Crypto API for encrypting any sensitive data stored locally.

Does this skill help with Manifest V3 migration?

Yes, it specifically focuses on Manifest V3 security standards, including the prohibition of remote code execution and strict CSP requirements.

Does it provide XSS protection strategies?

Yes, it includes detailed guidance on safe DOM manipulation, using textContent over innerHTML, and integrating sanitization libraries like DOMPurify.

Chrome Extension Security Expert

Name: Chrome Extension Security Expert
Author: francanete

byfrancanete

Security & Testing

Implements robust security patterns and Manifest V3 best practices for Chrome extension development.

About

This skill provides specialized guidance for building secure, production-ready Chrome extensions by enforcing the principle of least privilege and preventing common vulnerabilities like XSS and data leakage. It covers essential Manifest V3 requirements, including strict Content Security Policy (CSP) configurations, secure message passing between background scripts and content scripts, and encrypted storage techniques. It is an indispensable resource for developers looking to pass Chrome Web Store security reviews while ensuring their users' data remains protected from malicious injection and unauthorized access.

Key Features

0 GitHub stars
Encrypted storage implementation using the Web Crypto API
Principle of least privilege and permission optimization
XSS prevention through safe DOM manipulation and sanitization
Manifest V3 CSP configuration and sandbox implementation
Secure message validation and origin verification

Use Cases

Hardening a Chrome extension architecture for Web Store submission
Migrating extension security patterns from Manifest V2 to Manifest V3 standards
Implementing secure communication between content scripts and background workers

About

Key Features

0 GitHub stars
Encrypted storage implementation using the Web Crypto API
Principle of least privilege and permission optimization
XSS prevention through safe DOM manipulation and sanitization
Manifest V3 CSP configuration and sandbox implementation
Secure message validation and origin verification

Use Cases

Hardening a Chrome extension architecture for Web Store submission
Migrating extension security patterns from Manifest V2 to Manifest V3 standards
Implementing secure communication between content scripts and background workers