SECURITY REPORT · EXTENSHI SCAN
AutoCloseTab
Firefox extension·by MisterRuse
0
/ 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
AutoCloseTab's safety score vs every other extension we've scanned
Globally
53%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Privacy & Security
51%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 15,058 privacy & security extensions
Findings
4
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
6
median 4vs category median
Findings breakdown
Automated security signal · 4 findings across 5 severities
4
findings
detected
detected
Critical00%
High125%
Medium250%
Low125%
Info00%
Permissions requested
1 risky permission of 3 total
1 high-risk permission require attention
This extension requests 3 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
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Store local data
Can save data locally in the browser for persistence
Are you the author of AutoCloseTab?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Scan performed by extenshi.io · Jun 25, 2026
Browser extensions made transparent.