Security Guide
XSS Attack Prevention Guide
Complete Cross-Site Scripting Protection Strategies
By Amit Kumar|January 20, 2026|13 min read
Understanding XSS Types
Cross-Site Scripting (XSS) allows attackers to inject malicious scripts into web pages. Three main types: Stored XSS (permanent, served to all users), Reflected XSS (in URLs, requires user interaction), and DOM-based XSS (client-side execution).
Prevention Techniques
Key prevention: Input validation, output encoding (HTML, JavaScript, URL), Content Security Policy (CSP) headers, HttpOnly and Secure flags for cookies, and proper use of frameworks that auto-escape.
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