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SECURITY REPORT · EXTENSHI SCAN

Close Old Tabs

Firefox extension·by Steve
98
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.

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

Close Old Tabs's safety score vs every other extension we've scanned
Globally
91%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,560 extensions
In Tabs
81%of tabs extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,641 tabs extensions
Findings
2
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
7
median 3vs category median

Findings breakdown

Automated security signal · 2 distinct issues across 6 severities
2
distinct issues
detected

Permissions requested

2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Custom menus

Can add custom items to the browser context menu

Medium
Store local data

Can save data locally in the browser for persistence

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Scan performed by extenshi.io · Oct 20, 2026
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