SECURITY REPORT · EXTENSHI SCAN
VIUko
Firefox extension·by E-Media Arts
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
VIUko's safety score vs every other extension we've scanned
Globally
31%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Download Management
20%of download management extensions carry more risk
Riskier ←→ Safer
Ranked against 4,307 download management extensions
Findings
17
median 4Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
9
median 4Declared in manifest
Active users
1
median 9vs category median
Findings breakdown
Automated security signal · 17 distinct issues across 6 severities
17
distinct issues
detected
detected
Scanners reported 18 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical318%
High635%
Needs Review00%
Medium529%
Low318%
Info00%
Permissions requested
7 risky permissions of 9 total
1 critical permission require attention
This extension requests 9 permissions in total. 7 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
High
Manage downloads
Can initiate downloads and access your download history
High
View open tabs
Can see URLs and titles of all open tabs
High
Observe web requests
Can monitor all network requests made by the browser
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 25, 2026
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