SECURITY REPORT · EXTENSHI SCAN
Shumway SEO Toolkit
Chrome extension·by Brian Shumway
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
Shumway SEO Toolkit's safety score vs every other extension we've scanned
Globally
7%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
9%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
43
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
183
median 14vs category median
Findings breakdown
Automated security signal · 43 distinct issues across 6 severities
43
distinct issues
detected
detected
Critical25%
High512%
Needs Review00%
Medium3377%
Low37%
Info00%
Permissions requested
4 risky permissions of 8 total
4 high-risk permissions require attention
This extension requests 8 permissions in total. 4 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
Manage downloads
Can initiate downloads and access your download history
High
Observe web requests
Can monitor all network requests made by the browser
High
Modify content settings
Can change per-site settings for cookies, JavaScript, plugins, and more
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
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Scan performed by extenshi.io · Aug 10, 2026
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