SECURITY REPORT · EXTENSHI SCAN
NewTab Studio
Firefox extension·by James Hanson
71
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
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
NewTab Studio's safety score vs every other extension we've scanned
Globally
16%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,022 extensions
In Tabs
5%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,593 tabs extensions
Findings
25
median 4Lower is safer
Critical findings
5
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
5
median 3vs category median
Findings breakdown
Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
detected
Critical520%
High28%
Needs Review00%
Medium1768%
Low14%
Info00%
Permissions requested
5 permissions declared
No risky permissions
5 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Access location
Can determine your physical location
Info
*://*/*
No additional information available.
Are you the author of NewTab Studio?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show NewTab Studio's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 19, 2026
Browser extensions made transparent.