SECURITY REPORT · EXTENSHI SCAN
AoC Ranking
Firefox extension·by Adé Mochtar
33
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
Likely abandonedsafety score reduced by 30 points
- No update in over 5 years
Why this matters
An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.
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
AoC Ranking's safety score vs every other extension we've scanned
Globally
7%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,380 extensions
In Games Entertainment
2%of games entertainment extensions carry more risk
Riskier ←→ Safer
Ranked against 9,465 games entertainment extensions
Findings
1593
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
172
median 4vs category median
Findings breakdown
Automated security signal · 1,593 distinct issues across 6 severities
1,593
distinct issues
detected
detected
1 square ≈ 4 issues
Critical00%
High1,588100%
Needs Review00%
Medium30%
Low10%
Info10%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://adventofcode.com/*/leaderboard/private/view/*
No additional information available.
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Scan performed by extenshi.io · Sep 19, 2026
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