SECURITY REPORT · EXTENSHI SCAN
Nebulearn: Flashcard Maker & Anki Alternative
Chrome extension·by Daniel Hong
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
Nebulearn: Flashcard Maker & Anki Alternative's safety score vs every other extension we've scanned
Globally
4%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
5%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
172
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
212
median 14vs category median
Findings breakdown
Automated security signal · 172 distinct issues across 6 severities
172
distinct issues
detected
detected
Scanners reported 236 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical21%
High138%
Needs Review11%
Medium12271%
Low2615%
Info85%
Permissions requested
8 permissions declared
No risky permissions
8 permissions requested — none are flagged as risky.
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
Read clipboard
Can read text and data currently on your clipboard
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Add context menu items
Can add custom items to the right-click context menu
Low
Schedule tasks
Can schedule periodic background tasks
Low
Use side panel
Can display content in the browser side panel
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Scan performed by extenshi.io · Aug 12, 2026
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