Glossary
Cross-Site Scripting (XSS)
XSS is when hackers sneak their code onto a legitimate website. When you visit that page, their code runs in your browser as if it came from the real site. They can steal your login cookies, redirect you to fake sites, or make your browser do things without your permission.
What is Cross-Site Scripting (XSS)?
A web security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users, potentially stealing session cookies, credentials, or performing actions on behalf of victims.
Why Should You Care?
Understanding cross site scripting is essential for building a strong security posture. This knowledge helps organizations identify threats early and respond appropriately.
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Real-World Example
Security teams regularly encounter cross site scripting in their day-to-day operations. Recognizing and responding to these scenarios is a core security competency.
How to Protect Against Cross-Site Scripting (XSS)
- 1.
Encode all output displayed to users
- 2.
Implement Content Security Policy headers
- 3.
Use XSS scanning tools on your websites
Related Terms
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