Is Client Challenge safe?
Checked version: not provided · Assessment updated (UTC): 2026-10-23
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Findings breakdown
detected
Permissions requested
Access to all websites
Can read and modify content on every website you visit
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Manage downloads
Can initiate downloads and access your download history
Access all HTTP sites
Can read and modify content on all non-encrypted websites
Access all HTTPS sites
Can read and modify content on all encrypted websites
Access current tab
Can temporarily access the content of the active tab when you click the extension
Store local data
Can save data locally in the browser for persistence
Unlimited local storage
Can store large amounts of data locally without size limits
Are you the author of Client Challenge?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
What this assessment covers
- Store listing
- Firefox
- Checked version
- Not provided in this assessment
- Current listed version
- 0.1.6
- Assessment updated (UTC)
- Assessment status
- Completed
Recorded findings: 3 critical and 19 high severity. Read the finding details before interpreting the score; automated flags are not proof of malicious behaviour.
Automated analysis looks for suspicious code, permissions and other risk signals. It does not observe every runtime behaviour or independently audit the publisher’s servers. A low-risk result is not a guarantee of safety. How our checks work.