SECURITY REPORT · EXTENSHI SCAN
はてなミュート
Edge extension·by Cside
70
/ 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
はてなミュート's safety score vs every other extension we've scanned
Globally
15%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,277 extensions
In Social
28%of social extensions carry more risk
Riskier ←→ Safer
Ranked against 784 social extensions
Findings
36
median 18Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
17
median 55vs category median
Findings breakdown
Automated security signal · 36 distinct issues across 6 severities
36
distinct issues
detected
detected
Critical00%
High38%
Needs Review00%
Medium2056%
Low1028%
Info38%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browsing history
Can read and modify your complete browsing history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Schedule tasks
Can schedule periodic background tasks
Are you the author of はてなミュート?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show はてなミュート's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 5, 2026
Browser extensions made transparent.