SECURITY REPORT · EXTENSHI SCAN
Nebula New Tab
Firefox extension·by H. Kamran
79
/ 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
Nebula New Tab's safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,277 extensions
In Appearance
11%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 18,944 appearance extensions
Findings
9
median 3Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
2
median 2Declared in manifest
Active users
2
median 3vs category median
Findings breakdown
Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected
detected
Critical333%
High222%
Needs Review00%
Medium444%
Low00%
Info00%
Permissions requested
1 risky permission of 2 total
1 high-risk permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View most visited sites
Can see your most frequently visited websites
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 19, 2026
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