SECURITY REPORT · EXTENSHI SCAN
Universal Inbox
Firefox extension·by David Rousselie
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
Universal Inbox's safety score vs every other extension we've scanned
Globally
79.93%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
69.93%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
6
median 38Lower is safer
Risky permissions
5
median 1Critical + high perms
Total permissions
11
median 4All declared perms
Critical findings
5
median 2Severity = Critical
Findings breakdown
Automated security signal · 6 findings across 5 severities
6
findings
detected
detected
Critical583%
High00%
Medium00%
Low117%
Info00%
Permissions requested
5 risky permissions of 11 total
5 high-risk permissions require attention
This extension requests 11 permissions in total. 5 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
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
High
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
High
Access all HTTPS sites(optional)
Can read and modify content on all encrypted websites
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Container tabs
Can manage Firefox container tabs and their identities
Low
Schedule tasks
Can schedule periodic background tasks
Info
http://localhost:8080/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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