SECURITY REPORT · EXTENSHI SCAN
AltCopy
Firefox extension·by Max Nikulin
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
AltCopy's safety score vs every other extension we've scanned
Globally
30%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Other
9%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 26,888 other extensions
Findings
6
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
19
median 2vs category median
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Scanners reported 9 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical117%
High00%
Needs Review00%
Medium467%
Low117%
Info00%
Permissions requested
2 risky permissions of 6 total
1 critical permission require attention
This extension requests 6 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites(optional)
Can read and modify content on every website you visit
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Custom menus
Can add custom items to the browser context menu
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Show notifications
Can display desktop notifications outside the browser
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Scan performed by extenshi.io · Jul 25, 2026
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