SECURITY REPORT · EXTENSHI SCAN
Heavy Recent Tab Switcher
Firefox extension·by Abstracto
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
Heavy Recent Tab Switcher's safety score vs every other extension we've scanned
Globally
43%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Tabs
22%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 11,722 tabs extensions
Findings
14
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 14 distinct issues across 6 severities
14
distinct issues
detected
detected
Critical00%
High17%
Needs Review00%
Medium1286%
Low17%
Info00%
Permissions requested
1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access session data
Can query and restore recently closed tabs and windows
Medium
Container tabs
Can manage Firefox container tabs and their identities
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 10, 2026
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