usi (User|Unified Script Injector) extension
Security at a glance
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: userunified-script-injector
Permissions (12)
- Access to all websites
- View open tabs
Related extensions
Frequently asked questions
Is usi (User|Unified Script Injector) safe to use?
Our latest automated scan rates the Firefox listing of usi (User|Unified Script Injector) at 37/100 (high risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does usi (User|Unified Script Injector) require?
usi (User|Unified Script Injector) requests 12 permissions. The most significant: Access to all websites, View open tabs. See the full breakdown in the security report.
Who develops usi (User|Unified Script Injector)?
usi (User|Unified Script Injector) is published by USI. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.