extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Nebulearn: AI Flashcard Maker

Chrome extension·by Daniel Hong
57
/ 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: AI Flashcard Maker's safety score vs every other extension we've scanned
Globally
4%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,238 extensions
In Productivity
4%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 202,438 productivity extensions
Findings
175
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
388
median 13vs category median

Findings breakdown

Automated security signal · 175 distinct issues across 6 severities
175
distinct issues
detected
Scanners reported 239 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

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 · Sep 6, 2026
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