Substack Banner Fixer extension

Security at a glance

Low riskSafety score 97/1002 findings

Describes the Firefox listing; other stores are scanned separately and can score differently. Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: substack-banner-fixer

Permissions (1)

  • https://*.substack.com/*

Frequently asked questions

Is Substack Banner Fixer safe to use?

Our latest automated scan rates the Firefox listing of Substack Banner Fixer at 97/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does Substack Banner Fixer require?

Substack Banner Fixer requests 1 permission. The most significant: https://*.substack.com/*. See the full breakdown in the security report.

Who develops Substack Banner Fixer?

Substack Banner Fixer is published by Russell Chestnut. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.