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SECURITY REPORT · EXTENSHI SCAN

CIDR Calculator

Firefox extension·by Wetenkamp
87
/ 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

CIDR Calculator's safety score vs every other extension we've scanned
Globally
57%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,748 extensions
In Privacy & Security
45%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,508 privacy & security extensions
Findings
9
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 4Declared in manifest
Active users
1
median 3vs category median

Findings breakdown

Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected

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 1, 2026
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