SECURITY REPORT · EXTENSHI SCAN
Prime Video (JP) Select Always Best Quality
Firefox extension·by rinsuki
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
Prime Video (JP) Select Always Best Quality's safety score vs every other extension we've scanned
Globally
60%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Photos Music Videos
32%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 10,146 photos music videos extensions
Findings
7
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
123
median 6vs category median
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Scanners reported 9 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High114%
Needs Review00%
Medium457%
Low229%
Info00%
Permissions requested
2 risky permissions of 4 total
2 high-risk permissions require attention
This extension requests 4 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
Info
https://*.aiv-cdn.net/*
No additional information available.
Info
https://www.amazon.co.jp/*
No additional information available.
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Scan performed by extenshi.io · Jul 25, 2026
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