SECURITY REPORT · EXTENSHI SCAN
Compare Online Courses
Firefox extension·by NNSoftware
80
/ 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
Compare Online Courses's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,277 extensions
In Shopping
28%of shopping extensions carry more risk
Riskier ←→ Safer
Ranked against 4,482 shopping extensions
Findings
8
median 6Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
1
median 4Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Scanners reported 16 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical225%
High00%
Needs Review00%
Medium450%
Low113%
Info113%
Permissions requested
1 permission declared
No risky permissions
1 permission requested — none are flagged as risky.
Info
*://*/*
No additional information available.
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Scan performed by extenshi.io · Aug 24, 2026
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