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Security ChecksHTML Comments Information Disclosure
ContentLow PriorityPro

HTML Comments Information Disclosure

Updated June 2026·SecScanner Team

HTML comments in production can reveal sensitive information like TODOs, internal notes, or debug data.

Why It Matters

Developers often leave comments about vulnerabilities to fix, internal system details, or credentials. These help attackers understand your system.

How We Check

We scan HTML content for comments that might reveal sensitive information, internal paths, or security-related notes.

How to Fix

Strip HTML comments in your build process. Review remaining comments for sensitive information. Use server-side comments instead.

Frequently Asked Questions

What is HTML Comments Information Disclosure?

HTML comments in production can reveal sensitive information like TODOs, internal notes, or debug data.

Why does HTML Comments Information Disclosure matter for website security?

Developers often leave comments about vulnerabilities to fix, internal system details, or credentials. These help attackers understand your system.

How do I fix HTML Comments Information Disclosure issues?

Strip HTML comments in your build process. Review remaining comments for sensitive information. Use server-side comments instead.

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