SECURITY REPORT · EXTENSHI SCAN
AntiFlatNiconico
Firefox extension·by MDN(無職童貞ニート)
0
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
AntiFlatNiconico's safety score vs every other extension we've scanned
Globally
97.48%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
87.48%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
2
median 38Lower is safer
Risky permissions
0
median 1Critical + high perms
Total permissions
7
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 2 findings across 5 severities
2
findings
detected
detected
Critical00%
High00%
Medium150%
Low150%
Info00%
Permissions requested
7 permissions declared
No risky permissions
7 permissions requested — none are flagged as risky.
Info
*://*.nicovideo.jp/*
No additional information available.
Info
*://*.nicovideo.jp/watch*
No additional information available.
Info
*://*.nicovideo.jp/my*
No additional information available.
Info
*://*.nicovideo.jp/user*
No additional information available.
Info
*://*.nicovideo.jp/search*
No additional information available.
Info
*://*.nicovideo.jp/tag*
No additional information available.
Info
*://*.nicovideo.jp/garage*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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