SECURITY REPORT · EXTENSHI SCAN
Codeforces Un-definer
Firefox extension·by dauzhan
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
Codeforces Un-definer's safety score vs every other extension we've scanned
Globally
61%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Language Support
41%of language support extensions carry more risk
Riskier ←→ Safer
Ranked against 4,113 language support extensions
Findings
6
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
13
median 3Declared in manifest
Active users
3
median 3vs category median
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium583%
Low117%
Info00%
Permissions requested
13 permissions declared
No risky permissions
13 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://codeforces.com/*
No additional information available.
Info
*://*.codeforces.com/*
No additional information available.
Info
*://codeforces.ru/*
No additional information available.
Info
*://*.codeforces.ru/*
No additional information available.
Info
*://atcoder.jp/*
No additional information available.
Info
*://*.atcoder.jp/*
No additional information available.
Info
*://qoj.ac/*
No additional information available.
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Scan performed by extenshi.io · Aug 16, 2026
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