extenshi.io

Check XSS extension

Security at a glance

Elevated riskSafety score 61/1006 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: check-xss

Permissions (4)

  • Custom menus
  • Access current tab
  • Read clipboard

Related extensions

Frequently asked questions

Is Check XSS safe to use?

Our latest automated scan rates the Firefox listing of Check XSS at 61/100 (elevated risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does Check XSS require?

Check XSS requests 4 permissions. The most significant: Custom menus, Access current tab, Read clipboard. See the full breakdown in the security report.

Who develops Check XSS?

Check XSS is published by Gray Sky. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.