SECURITY REPORT · EXTENSHI SCAN
A2SV Companion
Firefox extension·by Aelaf
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
A2SV Companion's safety score vs every other extension we've scanned
Globally
11%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,714 extensions
In Other
3%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 20,224 other extensions
Findings
20
median 3Lower is safer
Critical findings
5
median 0Severity = Critical
Permissions
13
median 3Declared in manifest
Active users
3
median 2vs category median
Findings breakdown
Automated security signal · 20 findings across 5 severities
20
findings
detected
detected
Critical525%
High210%
Medium1260%
Low15%
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
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://leetcode.com/problems/*
No additional information available.
Info
https://codeforces.com/contest/*/problem/*
No additional information available.
Info
https://codeforces.com/contest/*/my
No additional information available.
Info
https://codeforces.com/problemset/problem/*/*
No additional information available.
Info
https://codeforces.com/gym/*/problem/*
No additional information available.
Info
https://codeforces.com/group/*/contest/*/problem/*
No additional information available.
Are you the author of A2SV Companion?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Scan performed by extenshi.io · Jun 25, 2026
Browser extensions made transparent.