SECURITY REPORT · EXTENSHI SCAN
Auto Containers
Firefox extension·by Shajirr
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
Auto Containers's safety score vs every other extension we've scanned
Globally
34%of extensions carry more risk
Riskier ←→ Safer
Ranked against 144,092 extensions
In Privacy & Security
30%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 8,021 privacy & security extensions
Findings
12
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
9
median 4Declared in manifest
Active users
6
median 4vs category median
Findings breakdown
Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected
detected
Scanners reported 17 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High18%
Needs Review00%
Medium758%
Low433%
Info00%
Permissions requested
2 risky permissions of 9 total
2 high-risk permissions require attention
This extension requests 9 permissions in total. 2 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
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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