SECURITY REPORT · EXTENSHI SCAN
CheckiO
Firefox extension·by checkio
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
Likely abandonedsafety score reduced by 30 points
- No update in over 7 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
CheckiO's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Other
14%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 26,888 other extensions
Findings
5
median 3Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
10
median 2vs category median
Findings breakdown
Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected
detected
Critical240%
High120%
Needs Review00%
Medium240%
Low00%
Info00%
Permissions requested
3 risky permissions of 7 total
2 critical permissions require attention
This extension requests 7 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions
Can enable, disable, or uninstall other browser extensions
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
High
View open tabs
Can see URLs and titles of all open tabs
Info
https://checkio.org/*
No additional information available.
Info
https://*.checkio.org/*
No additional information available.
Info
https://empireofcode.com/*
No additional information available.
Info
https://*.empireofcode.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 1, 2026
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