Comment HTML injection

Code reviewSecurityMid–Senior~18 min

Review this JavaScript comment-rendering helper.

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 18 min

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

1function renderComment(comment) {

2 const el = document.createElement('div');

3 el.className = 'comment';

4 el.innerHTML = `

5 <strong>${comment.author}</strong>

6 <p>${comment.body}</p>

7 <a href="mailto:${comment.email}">Reply</a>

8 `;

9 return el;

10}

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