SECURITY REPORT · EXTENSHI SCAN
Persitent Containers
Firefox extension·by navchandar
92
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Persitent Containers's safety score vs every other extension we've scanned
Globally
69%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,581 extensions
In Privacy & Security
55%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,497 privacy & security extensions
Findings
4
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
5
median 3vs category median
Findings breakdown
Automated security signal · 4 distinct issues across 6 severities
4
distinct issues
detected
detected
Critical00%
High250%
Needs Review00%
Medium125%
Low125%
Info00%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Container tabs
Can manage Firefox container tabs and their identities
Medium
Store local data
Can save data locally in the browser for persistence
Low
Manage tab groups
Can create and manage tab groups
Are you the author of Persitent Containers?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Persitent Containers's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 22, 2026
Browser extensions made transparent.