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

OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025
Useful patterns for building HTML tools - 10th December 2025

css 230 javascript 727 myspace 19 security 569 xss 60

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