SECURITY REPORT · EXTENSHI SCAN
MultiCart Share
Firefox extension·by Xerk
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
MultiCart Share's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Shopping
16%of shopping extensions carry more risk
Riskier ←→ Safer
Ranked against 2,655 shopping extensions
Findings
99
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
9
median 4Declared in manifest
Active users
1
median 4vs category median
Findings breakdown
Automated security signal · 99 findings across 5 severities
99
findings
detected
detected
Critical00%
High00%
Medium9394%
Low66%
Info00%
Permissions requested
3 risky permissions of 9 total
3 high-risk permissions require attention
This extension requests 9 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 browser cookies
Can read and modify cookies, potentially accessing login sessions
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Write to clipboard
Can place content onto your clipboard
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 current tab
Can temporarily access the content of the active tab when you click the extension
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://*.share-a-cart.com/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026
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