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

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

rails 72 ruby 72 safeerb 1 security 541 xss 60

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