Simon Willison’s Weblog

MySpace: Too Much of a Good Thing? CSS customization really was just the result of forgetting to strip HTML. They “eventually” decided to filter out JavaScript(!)

Posted 17th January 2007 at 9:09 am

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

css 231 javascript 732 myspace 19 security 573 xss 60

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