SECURITY REPORT · EXTENSHI SCAN
Kindle Series Sale Tracker
Firefox extension·by harness
0
/ 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
Kindle Series Sale Tracker's safety score vs every other extension we've scanned
Globally
49%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Shopping
37%of shopping extensions carry more risk
Riskier ←→ Safer
Ranked against 4,067 shopping extensions
Findings
14
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 4Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 14 distinct issues across 6 severities
14
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium1286%
Low214%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://www.amazon.co.jp/hz/mycd/digital-console/contentlist/booksAll*
No additional information available.
Are you the author of Kindle Series Sale Tracker?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Kindle Series Sale Tracker's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 14, 2026
Browser extensions made transparent.