SECURITY REPORT · EXTENSHI SCAN
MultiAntCnt
Firefox extension·by Jonney john
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
MultiAntCnt's safety score vs every other extension we've scanned
Globally
16%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
11%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
25
median 5Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
17
median 4Declared in manifest
Active users
3
median 3vs category median
Findings breakdown
Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
detected
Critical312%
High728%
Needs Review00%
Medium1248%
Low28%
Info14%
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
Manage other extensions
Can enable, disable, or uninstall other browser extensions
Critical
Access to all websites
Can read and modify content on every website you visit
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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