SECURITY REPORT · EXTENSHI SCAN
TabFern tab manager and backup tool
Chrome extension·by Chris White
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
TabFern tab manager and backup tool's safety score vs every other extension we've scanned
Globally
57.73%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
47.73%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
64
median 38Lower is safer
Risky permissions
1
median 1Critical + high perms
Total permissions
6
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 64 distinct issues across 6 severities
64
distinct issues
detected
detected
Critical12%
High69%
Needs Review00%
Medium5180%
Low35%
Info35%
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
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Access favicons
Can retrieve website favicon images
Low
Create offscreen documents
Can create hidden documents for background processing tasks
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Scan performed by extenshi.io · Aug 10, 2026· partial run (some scanners failed)
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