SECURITY REPORT · EXTENSHI SCAN

MultiAccountContainerSpecial

Firefox extension·by usefulladdons
73
/ 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

MultiAccountContainerSpecial's safety score vs every other extension we've scanned
Globally
20%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,581 extensions
In Tabs
7%of tabs extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,552 tabs extensions
Findings
54
median 4Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
17
median 3Declared in manifest
Active users
1
median 2vs category median

Findings breakdown

Automated security signal · 54 distinct issues across 6 severities
54
distinct issues
detected

Permissions requested

10 risky permissions of 17 total
3 critical permissions require attention
This extension requests 17 permissions in total. 10 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

Critical
Manage other extensions

Can enable, disable, or uninstall other browser extensions

Critical
Communicate with desktop apps(optional)

Can exchange messages with applications installed on your computer

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
Access browsing history

Can read and modify your complete browsing history

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
Add context menu items

Can add custom items to the right-click context menu

Medium
Container tabs

Can manage Firefox container tabs and their identities

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 bookmarks

Can read and modify your saved bookmarks

Low
Detect idle state

Can detect when your machine is idle, active, or locked

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Scan performed by extenshi.io · Aug 18, 2026
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