SECURITY REPORT · EXTENSHI SCAN
LeetHub v4 by FIZZY444
Firefox extension·by Mithun A
0
/ 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
LeetHub v4 by FIZZY444's safety score vs every other extension we've scanned
Globally
37%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Social & Communication
18%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 12,741 social & communication extensions
Findings
25
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
detected
Scanners reported 32 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High00%
Needs Review00%
Medium2392%
Low28%
Info00%
Permissions requested
6 permissions declared
No risky permissions
6 permissions requested — none are flagged as risky.
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Info
https://leetcode.com/*
No additional information available.
Info
https://github.com/*
No additional information available.
Info
https://practice.geeksforgeeks.org/*
No additional information available.
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Scan performed by extenshi.io · Aug 15, 2026
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