August 23, 2025 1 min read
Content Security Policy for Modern Web Apps
Tutorial
Depth: ●●○○○
Implementing CSP headers to protect against XSS and other injection attacks.
Content Security Policy for Modern Web Apps
CSP is your defense against XSS. Here's how to implement it without breaking your app.
Basic CSP in Next.js
The Tradeoff
'unsafe-inline' and 'unsafe-eval' weaken CSP but are needed for many frameworks. Use nonces for stricter policies.