SECURITY REPORT · EXTENSHI SCAN
Closium
Chrome extension·by CloseGuard
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
Closium's safety score vs every other extension we've scanned
Globally
12%of extensions carry more risk
Riskier ←→ Safer
Ranked against 375,252 extensions
In Productivity
16%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 179,995 productivity extensions
Findings
32
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
11
median 3Declared in manifest
Active users
50
median 14vs category median
Findings breakdown
Automated security signal · 32 distinct issues across 6 severities
32
distinct issues
detected
detected
Scanners reported 55 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High26%
Needs Review00%
Medium2681%
Low413%
Info00%
Permissions requested
3 risky permissions of 11 total
3 high-risk permissions require attention
This extension requests 11 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Capture tab content
Can capture audio and video streams from browser tabs
High
View open tabs
Can see URLs and titles of all open tabs
High
Manage downloads
Can initiate downloads and access your download history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Show notifications
Can display desktop notifications outside the browser
Low
Schedule tasks
Can schedule periodic background tasks
Low
Create offscreen documents
Can create hidden documents for background processing tasks
Info
windows
No additional information available.
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Scan performed by extenshi.io · Aug 23, 2026
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