Is Client Challenge safe?
Checked version: not provided · Assessment updated (UTC): 2026-08-07
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
View open tabs
Can see URLs and titles of all open tabs
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
Store local data
Can save data locally in the browser for persistence
Access current tab
Can temporarily access the content of the active tab when you click the extension
http://*/
No additional information available.
https://*/
No additional information available.
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What this assessment covers
- Store listing
- Firefox
- Checked version
- Not provided in this assessment
- Current listed version
- 0.1.0
- Assessment updated (UTC)
- Assessment status
- Completed
Recorded findings: 2 critical and 2 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.