Markdown sanitizer allows onclick

Code reviewSecuritySenior–Staff~22 min

Review this React TypeScript markdown renderer.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 22 min

Mark a line and say what kind of problem it is.0 findings

1import DOMPurify from 'dompurify';

3function Note({ markdown }: { markdown: string }) {

4 const html = mdToHtml(markdown);

5 const clean = DOMPurify.sanitize(html, { ADD_ATTR: ['onclick'] });

6 return <div dangerouslySetInnerHTML={{ __html: clean }} />;

Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.