SECURITY REPORT · EXTENSHI SCAN
CthulhuJs (Anti-Fingerprint)
Chrome extension·by shawnli
0
/ 100 SAFETY SCORE
CRITICAL
Severe indicators. Treat as unsafe until the developer addresses these findings.
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
CthulhuJs (Anti-Fingerprint)'s safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
0%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
31
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
10
median 3Declared in manifest
Active users
10000
median 14vs category median
Findings breakdown
Automated security signal · 31 distinct issues across 6 severities
31
distinct issues
detected
detected
Critical310%
High310%
Needs Review00%
Medium1755%
Low826%
Info00%
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
View open tabs
Can see URLs and titles of all open tabs
High
Delete browsing data
Can remove browsing history, cookies, cache, and other browsing data
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
User scripts
Can register and execute user scripts in web pages
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Show notifications
Can display desktop notifications outside the browser
Low
Run in background
Can run scripts in the background when not actively in use
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 23, 2026
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