Security & DevSecOps Practical By Samson Tanimawo, PhD Published Oct 6, 2025 4 min read

XSS Defense 2026

XSS still leaks. The defenses.

Output encoding

Escape on output. Framework-level.

Default in React, Vue, etc.

Content Security Policy headers.

Limits inline JS execution.

DOMPurify for user-generated HTML.

Defense in depth.