SECURITY REPORT · EXTENSHI SCAN
thunderNote
Firefox extension·by Jan Riechers
0
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
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
thunderNote's safety score vs every other extension we've scanned
Globally
28%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Alerts & Updates
11%of alerts & updates extensions carry more risk
Riskier ←→ Safer
Ranked against 6,603 alerts & updates extensions
Findings
88
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
1
median 2vs category median
Findings breakdown
Automated security signal · 88 distinct issues across 6 severities
88
distinct issues
detected
detected
Critical11%
High00%
Needs Review00%
Medium8698%
Low11%
Info00%
Permissions requested
1 risky permission of 8 total
1 critical permission require attention
This extension requests 8 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
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
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Add context menu items
Can add custom items to the right-click context menu
Low
Find in page
Can use the browser find-in-page functionality
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 24, 2026
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