SECURITY REPORT · EXTENSHI SCAN
Nested tab numbering
Firefox extension·by ryanyrzh
0
/ 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
Nested tab numbering's safety score vs every other extension we've scanned
Globally
45%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Appearance
17%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 17,915 appearance extensions
Findings
6
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 2Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Critical117%
High117%
Needs Review00%
Medium233%
Low233%
Info00%
Permissions requested
2 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions
Can enable, disable, or uninstall other browser extensions
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://addons.mozilla.org/*
No additional information available.
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Scan performed by extenshi.io · Aug 19, 2026
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