SECURITY REPORT · EXTENSHI SCAN
Chess Coach (Stockfish)
Chrome extension
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
Chess Coach (Stockfish)'s safety score vs every other extension we've scanned
Globally
15%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Lifestyle
16%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 43,972 lifestyle extensions
Findings
25
median 12Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 1Declared in manifest
Active users
54
median 26vs category median
Findings breakdown
Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
detected
Scanners reported 29 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High14%
Needs Review00%
Medium2080%
Low416%
Info00%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Low
Schedule tasks
Can schedule periodic background tasks
Low
Create offscreen documents
Can create hidden documents for background processing tasks
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Scan performed by extenshi.io · Aug 9, 2026
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