SECURITY REPORT · EXTENSHI SCAN
LeetCode to GitHub Sync
Firefox extension·by sandysam
76
/ 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
LeetCode to GitHub Sync's safety score vs every other extension we've scanned
Globally
29%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,632 extensions
In Privacy & Security
22%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,500 privacy & security extensions
Findings
11
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected
detected
Critical19%
High00%
Needs Review00%
Medium873%
Low218%
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
Info
https://leetcode.com/*
No additional information available.
Info
https://leetcode.cn/*
No additional information available.
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Scan performed by extenshi.io · Aug 15, 2026
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