SECURITY REPORT · EXTENSHI SCAN
2FAS Auth - Two factor authentication
Firefox extension·by 2FAS
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
2FAS Auth - Two factor authentication's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 357,609 extensions
In Privacy & Security
6%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 10,130 privacy & security extensions
Findings
33
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
10
median 4Declared in manifest
Active users
8195
median 3vs category median
Findings breakdown
Automated security signal · 33 distinct issues across 6 severities
33
distinct issues
detected
detected
Scanners reported 68 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High721%
Needs Review00%
Medium2061%
Low618%
Info00%
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
View open tabs
Can see URLs and titles of all open tabs
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
High
Access all HTTP sites
Can read and modify content on all non-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
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Jul 25, 2026
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