SECURITY REPORT · EXTENSHI SCAN
Courier Web: AI Sidebar + Vertical Tabs Manager
Chrome extension·by rajujutsu
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
Courier Web: AI Sidebar + Vertical Tabs Manager's safety score vs every other extension we've scanned
Globally
3%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
3%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
724
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
20
median 3Declared in manifest
Active users
9
median 14vs category median
Findings breakdown
Automated security signal · 724 distinct issues across 6 severities
724
distinct issues
detected
detected
1 square ≈ 2 issues
Scanners reported 753 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical30%
High243%
Needs Review51%
Medium63888%
Low537%
Info10%
Permissions requested
5 risky permissions of 20 total
1 critical permission require attention
This extension requests 20 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions
Can enable, disable, or uninstall other browser extensions
High
Access browsing history
Can read and modify your complete browsing history
High
Capture page content
Can save complete web pages as MHTML files
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
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Access session data
Can query and restore recently closed tabs and windows
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Scan performed by extenshi.io · Aug 18, 2026
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