Coding Horror: Protecting Your Cookies: HttpOnly. Jeff Atwood discovers the hard way that writing an HTML sanitizer is significantly harder than you would think. HttpOnly cookies aren’t the solution though: they’re potentially useful as part of a defense in depth strategy, but fundamentally if you have an XSS hole you’re going to get 0wned, HttpOnly cookies or not. Auto-escape everything on output and be extremely cautious with things like HTML sanitizers.
Recent articles
- How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025
- A new way to extract detailed transcripts from Claude Code - 25th December 2025
- Cooking with Claude - 23rd December 2025