Simon Willison’s Weblog

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

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

rails 74 ruby 72 safeerb 1 security 571 xss 60

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