SECURITY REPORT · EXTENSHI SCAN
Skim Markdown Viewer & Reader
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
Skim Markdown Viewer & Reader's safety score vs every other extension we've scanned
Globally
24%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Web Development
13%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 14,329 web development extensions
Findings
136
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
106
median 3vs category median
Findings breakdown
Automated security signal · 136 distinct issues across 6 severities
136
distinct issues
detected
detected
Scanners reported 143 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical11%
High11%
Needs Review00%
Medium6346%
Low7051%
Info11%
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
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Read clipboard
Can read text and data currently on your clipboard
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Scan performed by extenshi.io · Aug 24, 2026
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