SECURITY REPORT · EXTENSHI SCAN
ZeroTwo
Chrome extension·by reed
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
ZeroTwo's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
12%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
110
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
13
median 3Declared in manifest
Active users
8
median 14vs category median
Findings breakdown
Automated security signal · 110 distinct issues across 6 severities
110
distinct issues
detected
detected
Scanners reported 122 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical22%
High55%
Needs Review22%
Medium4339%
Low5449%
Info44%
Permissions requested
5 risky permissions of 13 total
1 critical permission require attention
This extension requests 13 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Browser debugger access
Can attach to tabs and inspect/modify all page data using Chrome DevTools protocol
High
View open tabs
Can see URLs and titles of all open tabs
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
Access browsing history
Can read and modify your complete browsing history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Write to clipboard
Can place content onto your clipboard
Low
Use side panel
Can display content in the browser side panel
Low
Manage tab groups
Can create and manage tab groups
Low
Schedule tasks
Can schedule periodic background tasks
Low
Create offscreen documents
Can create hidden documents for background processing tasks
Low
Access favicons
Can retrieve website favicon images
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Scan performed by extenshi.io · Aug 22, 2026
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