SECURITY REPORT · EXTENSHI SCAN
Zephyr Mission Control
Chrome extension·by Zephyr Cloud Inc.
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
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
Zephyr Mission Control's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
1%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
173
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
188
median 14vs category median
Findings breakdown
Automated security signal · 173 distinct issues across 6 severities
173
distinct issues
detected
detected
Critical32%
High148%
Needs Review00%
Medium4325%
Low8750%
Info2615%
Permissions requested
2 risky permissions of 7 total
2 high-risk permissions require attention
This extension requests 7 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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 current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Write to clipboard
Can place content onto your clipboard
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
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Scan performed by extenshi.io · Aug 16, 2026
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