SECURITY REPORT · EXTENSHI SCAN
Tabbie - Undo closed tabs
Chrome extension·by Angus Zhu
90
/ 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
Tabbie - Undo closed tabs's safety score vs every other extension we've scanned
Globally
63%of extensions carry more risk
Riskier ←→ Safer
Ranked against 401,999 extensions
In Productivity
77%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 194,438 productivity extensions
Findings
7
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
1000
median 14vs category median
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Critical00%
High114%
Needs Review00%
Medium457%
Low114%
Info114%
Permissions requested
1 risky permission of 7 total
1 high-risk permission require attention
This extension requests 7 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
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
Add context menu items
Can add custom items to the right-click context menu
Low
Access favicons
Can retrieve website favicon images
Low
Use side panel
Can display content in the browser side panel
Low
Create offscreen documents
Can create hidden documents for background processing tasks
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Scan performed by extenshi.io · Aug 22, 2026
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