Custom CSS/JS Injector extension

Security at a glance

Low riskSafety score 100/1000 findings

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: custom-css-js-injector

Permissions (2)

  • Access current tab
  • Store local data

Frequently asked questions

Is Custom CSS/JS Injector safe to use?

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

What permissions does Custom CSS/JS Injector require?

Custom CSS/JS Injector requests 2 permissions. The most significant: Access current tab, Store local data. See the full breakdown in the security report.

Who develops Custom CSS/JS Injector?

Custom CSS/JS Injector is published by Cổng sắt CNC. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.