SECURITY REPORT · EXTENSHI SCAN
Darker Jupyter
Firefox extension·by iamkentleom
83
/ 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
Darker Jupyter's safety score vs every other extension we've scanned
Globally
46%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Appearance
18%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 18,944 appearance extensions
Findings
8
median 3Lower is safer
Critical findings
4
median 0Severity = Critical
Permissions
6
median 2Declared in manifest
Active users
178
median 3vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Critical450%
High113%
Needs Review00%
Medium225%
Low113%
Info00%
Permissions requested
1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
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
Info
*://*/*.ipynb
No additional information available.
Info
*://*/*.ipynb?*
No additional information available.
Info
*://*/tree*
No additional information available.
Info
*://*/terminals/*
No additional information available.
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Scan performed by extenshi.io · Aug 3, 2026
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