Crossmark extension
Security at a glance
Low riskSafety score 97/1002 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: crosmark
Permissions (1)
- View open tabs
Related extensions
Frequently asked questions
Is Crossmark safe to use?
Our latest automated scan rates the Firefox listing of Crossmark at 97/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does Crossmark require?
Crossmark requests 1 permission. The most significant: View open tabs. See the full breakdown in the security report.
Who develops Crossmark?
Crossmark is published by Crossmark io. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.