SECURITY REPORT · EXTENSHI SCAN
楽天値下げアラート|価格監視・クーポン・ランキング
Chrome extension·by Presto
92
/ 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
楽天値下げアラート|価格監視・クーポン・ランキング's safety score vs every other extension we've scanned
Globally
67%of extensions carry more risk
Riskier ←→ Safer
Ranked against 421,602 extensions
In Lifestyle
65%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 49,952 lifestyle extensions
Findings
21
median 14Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 2Declared in manifest
Active users
6
median 25vs category median
Findings breakdown
Automated security signal · 21 distinct issues across 6 severities
21
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium1886%
Low314%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Store local data
Can save data locally in the browser for persistence
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Oct 26, 2026
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