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test(widget-markdown): pin sanitize_preview unset default (DCMS-471) #611

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Merged
sempostma merged 1 commit into from
Jul 14, 2026
Merged

test(widget-markdown): pin sanitize_preview unset default (DCMS-471) #611

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11 changes: 11 additions & 0 deletions packages/decap-cms-widget-markdown/src/__tests__/renderer.spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,17 @@ I get 10 times more traffic from [Google] than from [Yahoo] or [MSN].
expect(img).not.toHaveAttribute('onerror');
});

it('should sanitize HTML by default when sanitize_preview is unset', async () => {
const value = `<img src="foobar.png" onerror="alert('hello')">`;

const { container } = render(
<MarkdownPreview value={value} getAsset={jest.fn()} resolveWidget={jest.fn()} />,
);
const img = container.querySelector('img');
expect(img).toHaveAttribute('src', 'foobar.png');
expect(img).not.toHaveAttribute('onerror');
});

it('should sanitize dangerous link protocols', () => {
const value = '<a href="javascript:alert(1)">click</a>';

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