Security Risks of Hosting User-Submitted HTML With JavaScript Explained

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A blog post on ShareMyPage explores the security implications of hosting HTML pages that execute their own JavaScript code. The article examines potential risks such as cross-site scripting, data theft, and malicious code execution that can arise when user-submitted scripts run in a browser. It discusses how hosting platforms must carefully consider sandboxing, content isolation, and trust boundaries when allowing arbitrary JavaScript. The piece aims to help developers and platform builders understand what safeguards are necessary before enabling such functionality.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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