SECURITY REPORT · EXTENSHI SCAN
Cesium
Firefox extension·by Environmental Information Systems
58
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
Cesium's safety score vs every other extension we've scanned
Globally
4%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,560 extensions
In Privacy & Security
3%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,616 privacy & security extensions
Findings
134
median 8Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
1
median 4Declared in manifest
Active users
1782
median 3vs category median
Findings breakdown
Automated security signal · 134 distinct issues across 6 severities
134
distinct issues
detected
detected
Scanners reported 154 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical11%
High1612%
Needs Review00%
Medium8261%
Low2619%
Info97%
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 · Oct 19, 2026
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