Simon Willison’s Weblog

10th January 2008 - Link Blog

Is your Rails app XSS safe? SafeErb is an interesting take on auto-escaping for Rails: it throws an exception if you try to render a string that hasn’t been untainted yet.

Posted 10th January 2008 at 6:46 pm

Recent articles

New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging - 4th August 2026
Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026
OpenAI’s accidental cyberattack against Hugging Face is science fiction that happened - 22nd July 2026

This is a link post by Simon Willison, posted on 10th January 2008.

rails 111 ruby 74 safeerb 1 security 620 xss 60

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe