no-unsafe-iframe-sandbox

Full Name in eslint-plugin-react-dom

react-dom/no-unsafe-iframe-sandbox

Full Name in @eslint-react/eslint-plugin

@eslint-react/dom-no-unsafe-iframe-sandbox

Presets

strict strict-typescript strict-type-checked

Rule Details

This rule reports cases where the attribute contains allow-scripts and allow-same-origin at the same time, as this combination allows the embedded document to remove the sandbox attribute and bypass the restrictions.

Common Violations

Invalid

function MyComponent() {
  return (
    <iframe
      src="https://eslint-react.xyz"
      sandbox="allow-scripts allow-same-origin"
    />
  );
}

Valid

function MyComponent() {
  return <iframe src="https://eslint-react.xyz" sandbox="allow-popups" />;
}

Resources

• Rule Source
• Test Source

Further Reading

• MDN: iframe sandbox

See Also

• react-dom/no-missing-iframe-sandbox
  Enforces an explicit sandbox attribute for iframe elements.
• react-dom/no-unsafe-target-blank
  Disallows target="_blank" without rel="noreferrer noopener".