FEFsis Web Extension
Security at a glance
Some riskSafety score 78/10018 findings
Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.
See the full security reportFirefox listing ID: fefsis-web-extension
Permissions (5)
- Communicate with desktop apps
- Manage downloads
- Access all HTTPS sites
Related extensions
Frequently asked questions
Is FEFsis Web Extension safe to use?
Our latest automated scan rates the Firefox listing of FEFsis Web Extension at 78/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does FEFsis Web Extension require?
FEFsis Web Extension requests 5 permissions. The most significant: Communicate with desktop apps, Manage downloads, Access all HTTPS sites. See the full breakdown in the security report.
Who develops FEFsis Web Extension?
FEFsis Web Extension is published by FEF. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.