SECURITY REPORT · EXTENSHI SCAN
Cost Keeper
Firefox extension·by Lorenzika
89
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Cost Keeper's safety score vs every other extension we've scanned
Globally
62%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Other
28%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 28,735 other extensions
Findings
7
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
1
median 2vs category median
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium686%
Low114%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
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
Show notifications
Can display desktop notifications outside the browser
Are you the author of Cost Keeper?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Cost Keeper's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 23, 2026
Browser extensions made transparent.