Security · 1h ago
Hosting User HTML with JavaScript: Security Risks and Mitigations
Hosting user-submitted HTML that runs JavaScript poses cross-site scripting and other security risks. Proper sandboxing, content security policies, and input sanitization are essential to prevent attacks. Developers must weigh functionality against potential vulnerabilities when allowing dynamic content.
Meridian48 take
The article provides a practical overview, but real-world implementations often overlook edge cases like DOM clobbering or prototype pollution.
html-sandboxingjavascript-security