CSP Tester 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: csp-tester
Permissions (3)
- Access to all websites
- Observe web requests
- Block and modify web requests
Related extensions
Frequently asked questions
Is CSP Tester safe to use?
Our latest automated scan rates the Firefox listing of CSP Tester at 97/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does CSP Tester require?
CSP Tester requests 3 permissions. The most significant: Access to all websites, Observe web requests, Block and modify web requests. See the full breakdown in the security report.
Who develops CSP Tester?
CSP Tester is published by oxdef. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.