https://cors-handbook.com/tags/web-security/ Recent content in Web-Security on CORS Handbook Hugo en-us Mon, 06 Apr 2026 00:00:00 +0000 https://cors-handbook.com/posts/cors-for-cross-origin-opener-policy/ Mon, 06 Apr 2026 00:00:00 +0000 https://cors-handbook.com/posts/cors-for-cross-origin-opener-policy/ Common COOP and CORS mistakes developers make, why they happen, and practical fixes for cross-origin isolation, popups, and fetch flows. https://cors-handbook.com/posts/cors-with-fastapi-and-python/ Thu, 02 Apr 2026 00:00:00 +0000 https://cors-handbook.com/posts/cors-with-fastapi-and-python/ Compare FastAPI CORS setups, middleware options, and tradeoffs with practical Python examples, pros, cons, and security advice. https://cors-handbook.com/posts/cors-in-firebase-functions/ Tue, 31 Mar 2026 00:00:00 +0000 https://cors-handbook.com/posts/cors-in-firebase-functions/ Compare practical CORS patterns in Firebase Functions with pros, cons, and code for Node and Python, including preflight handling pitfalls.