SECURITY REPORT · EXTENSHI SCAN
NekoCap
Firefox extension·by nopol10
59
/ 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
NekoCap's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,874 extensions
In Games Entertainment
1%of games entertainment extensions carry more risk
Riskier ←→ Safer
Ranked against 9,625 games entertainment extensions
Findings
262
median 7Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
25
median 3Declared in manifest
Active users
381
median 4vs category median
Findings breakdown
Automated security signal · 262 distinct issues across 6 severities
262
distinct issues
detected
detected
Scanners reported 297 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical10%
High42%
Needs Review00%
Medium3815%
Low20779%
Info125%
Permissions requested
25 permissions declared
No risky permissions
25 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Info
https://*.youtube.com/*
No additional information available.
Info
https://*.tver.jp/*
No additional information available.
Info
https://*.nicovideo.jp/*
No additional information available.
Info
https://*.vimeo.com/*
No additional information available.
Info
https://*.bilibili.com/*
No additional information available.
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Scan performed by extenshi.io · Oct 23, 2026
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