Secure Coding Practices
Implement security principles to prevent common vulnerabilities such as cross-site scripting (XSS) and data leakage.
Why Security Matters for Extensions
Browser extensions operate with significant privileges, interacting closely with user data and browsing sessions. This makes secure coding practices absolutely critical.
Poor security can lead to serious vulnerabilities like Cross-Site Scripting (XSS) and data leakage, compromising user privacy and system integrity.
Understanding XSS Vulnerabilities
Cross-Site Scripting (XSS) occurs when an attacker injects malicious scripts into a trusted web application, or in our case, into your extension's UI or content scripts.
These scripts can steal sensitive data, hijack user sessions, or even deface websites, all within the context of your extension's permissions.