extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Auto Containers

Firefox extension·by Shajirr
84
/ 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

Auto Containers's safety score vs every other extension we've scanned
Globally
49%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,240 extensions
In Privacy & Security
42%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,466 privacy & security extensions
Findings
12
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
10
median 4Declared in manifest
Active users
5
median 3vs category median

Findings breakdown

Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected
Scanners reported 17 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 10 total
3 high-risk permissions require attention
This extension requests 10 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
View open tabs

Can see URLs and titles of all open tabs

High
View most visited sites

Can see your most frequently visited websites

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
Show notifications

Can display desktop notifications outside the browser

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

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
Access session data

Can query and restore recently closed tabs and windows

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Scan performed by extenshi.io · Jul 25, 2026
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