SECURITY REPORT · EXTENSHI SCAN
Back Button Tab Closer
Firefox extension·by james
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
Back Button Tab Closer's safety score vs every other extension we've scanned
Globally
34%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Tabs
14%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 11,722 tabs extensions
Findings
5
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected
detected
Critical120%
High120%
Needs Review00%
Medium240%
Low120%
Info00%
Permissions requested
2 risky permissions of 2 total
1 critical permission require attention
This extension requests 2 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
View open tabs
Can see URLs and titles of all open tabs
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Scan performed by extenshi.io · Aug 16, 2026
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