SECURITY REPORT · EXTENSHI SCAN
O'Reilly Number Seek
Firefox extension·by Mahmoud Raafat
0
/ 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
O'Reilly Number Seek's safety score vs every other extension we've scanned
Globally
84%of extensions carry more risk
Riskier ←→ Safer
Ranked against 368,615 extensions
In Photos Music Videos
65%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 9,832 photos music videos extensions
Findings
2
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 3Declared in manifest
Active users
1
median 6vs category median
Findings breakdown
Automated security signal · 2 distinct issues across 6 severities
2
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium150%
Low150%
Info00%
Permissions requested
1 permission declared
No risky permissions
1 permission requested — none are flagged as risky.
Info
*://learning.oreilly.com/videos/*
No additional information available.
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Scan performed by extenshi.io · Aug 20, 2026
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