Web Security Essentials: XSS, CSRF, and Beyond
Web Security Essentials: XSS, CSRF, and Beyond Web security is essential for every site. XSS and CSRF show how a small mistake can affect many users. This post explains what these flaws are and offers practical steps you can apply today. You’ll find clear explanations and concrete tips you can use in most projects. XSS stands for Cross-Site Scripting. It happens when a site uses user input without proper checks and then displays that input in a page. An attacker can insert a script that runs in another visitor’s browser. There are several flavors—stored, reflected, and DOM-based—but the safe rule is simple: treat every input as untrusted and escape output where it will be shown. ...