SECURITY REPORT · EXTENSHI SCAN
Costline
Chrome extension·by Celine Fu
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
Costline's safety score vs every other extension we've scanned
Globally
41%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Lifestyle
41%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 43,972 lifestyle extensions
Findings
32
median 12Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 1Declared in manifest
Active users
54
median 26vs category median
Findings breakdown
Automated security signal · 32 distinct issues across 6 severities
32
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium2784%
Low516%
Info00%
Permissions requested
1 permission declared
No risky permissions
1 permission requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 18, 2026
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