beginnertermWeb foundationsWeb foundations / Security / XSS
BeginnerNot yet reviewed

XSS

Cross-Site Scripting: a security vulnerability enabling attackers to inject malicious scripts into trusted websites.

Definition

Cross-Site Scripting: a security vulnerability enabling attackers to inject malicious scripts into trusted websites.

Use case

Sanitizing user input comments to prevent injection of <script> tags that steal cookies.

Related terms

Articles

Cross-site scripting

OWASP · Article · link checked 2026-10-16

Smuggling scripts into trusted pages, and why output must be escaped.

Suggest a change