SECURITY REPORT · EXTENSHI SCAN
MarkVault, Web Highlighter and Notes
Chrome extension·by Abdullah Khan
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
MarkVault, Web Highlighter and Notes's safety score vs every other extension we've scanned
Globally
29%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
38%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
10
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
4
median 14vs category median
Findings breakdown
Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected
detected
Scanners reported 16 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical110%
High00%
Needs Review00%
Medium880%
Low110%
Info00%
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
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
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Scan performed by extenshi.io · Aug 5, 2026
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