SECURITY REPORT · EXTENSHI SCAN
YouTube Previewer
Chrome extension·by leo.swatosch
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
YouTube Previewer's safety score vs every other extension we've scanned
Globally
7%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Productivity
17%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 25,973 productivity extensions
Findings
24
median 10Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
0
median 23vs category median
Findings breakdown
Automated security signal · 24 findings across 5 severities
24
findings
detected
detected
Critical28%
High313%
Medium1771%
Low14%
Info14%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 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
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Use side panel
Can display content in the browser side panel
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Scan performed by extenshi.io · Jun 28, 2026
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