SECURITY REPORT · EXTENSHI SCAN
CookieSync: syncs cookies to localhost
Chrome extension·by roel.noten
74
/ 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
CookieSync: syncs cookies to localhost's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,277 extensions
In Privacy & Security
17%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,541 privacy & security extensions
Findings
12
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 4Declared in manifest
Active users
381
median 3vs category median
Findings breakdown
Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected
detected
Critical18%
High325%
Needs Review00%
Medium758%
Low18%
Info00%
Permissions requested
1 risky permission of 2 total
1 high-risk permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 3, 2026
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