SECURITY REPORT · EXTENSHI SCAN
Thumbnails.com - Thumbnail ideas for YouTubers
Chrome extension·by Krager Labs
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
Thumbnails.com - Thumbnail ideas for YouTubers's safety score vs every other extension we've scanned
Globally
3%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,711 extensions
In Lifestyle
7%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 6,925 lifestyle extensions
Findings
108
median 8Lower is safer
Critical findings
9
median 0Severity = Critical
Permissions
8
median 1Declared in manifest
Active users
39
median 47vs category median
Findings breakdown
Automated security signal · 108 findings across 5 severities
108
findings
detected
detected
Critical98%
High2624%
Medium6964%
Low44%
Info00%
Permissions requested
3 risky permissions of 8 total
3 high-risk permissions require attention
This extension requests 8 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
Manage downloads
Can initiate downloads and access your download history
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Add context menu items
Can add custom items to the right-click context menu
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
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
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Scan performed by extenshi.io · Jun 25, 2026
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