SECURITY REPORT · EXTENSHI SCAN
CatStylus
Edge extension·by 0xmiracle
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
CatStylus's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
20%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 6,496 productivity extensions
Findings
34
median 17Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
10
median 3Declared in manifest
Active users
12257
median 140vs category median
Findings breakdown
Automated security signal · 34 distinct issues across 6 severities
34
distinct issues
detected
detected
Scanners reported 39 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical13%
High926%
Needs Review00%
Medium2162%
Low13%
Info26%
Permissions requested
4 risky permissions of 10 total
4 high-risk permissions require attention
This extension requests 10 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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
High
View open tabs
Can see URLs and titles of all open tabs
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
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
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Scan performed by extenshi.io · Aug 17, 2026
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