OWASP: XSS Prevention Cheat Sheet. Comprehensive set of rules for avoiding XSS—there’s a bit more to it than just escaping all output variables, since you have to take markup context in to account.
Recent articles
- Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026
- LLM predictions for 2026, shared with Oxide and Friends - 8th January 2026
- Introducing gisthost.github.io - 1st January 2026