AlexWebLab

Explore a wide range of web development topics, from JavaScript to React and beyond, and uncover valuable insights to enhance your skills.

Latest 2 articles:

Prototype Pollution: The JavaScript Vulnerability You Might Be Ignoring

Security & Architecture

Prototype pollution is a class of JavaScript vulnerability where an attacker modifies Object.prototype or another shared prototype — causing unexpected behaviour across an entire application. It shows up most often in utility libraries, and it's more dangerous than it looks.

Content Security Policy: What It Is and How to Implement It

Security & Architecture

A Content Security Policy tells the browser which sources it is allowed to load resources from. It is one of the most effective defences against XSS attacks — and one of the most poorly understood headers in web security.