Cross-site Scripting (XSS)

Cross-site Scripting (XSS) is like a sneaky trick that bad guys use to mess with websites and steal information from users. They do this by sneaking in harmful code, usually written in JavaScript, into web pages that other people visit.

Imagine you’re browsing a website, and without you knowing, a little piece of code planted by a hacker starts running. This code can do all sorts of nasty things, like stealing your passwords, changing what you see on the page, or even sending you to fake websites to steal more of your info.

To stop this, web developers need to put up strong defenses. They use things like input validation, which checks if the stuff you type is safe, and Content Security Policy (CSP), which blocks shady scripts from running on a website. It’s like putting up fences and security cameras to keep the bad guys out.

Everyone needs to be careful too. Developers should stay updated on security stuff, and users should be smart about clicking on strange links or sharing personal info. It’s all about working together to keep the internet safe from sneaky attacks.