SECURITY REPORT · EXTENSHI SCAN
Mettl copy score to clipboard for Excel
Firefox extension·by Priyesh P Cheriyan
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
Mettl copy score to clipboard for Excel's safety score vs every other extension we've scanned
Globally
80.89%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
70.89%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
10
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
4
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 10 findings across 5 severities
10
findings
detected
detected
Critical110%
High220%
Medium770%
Low00%
Info00%
Permissions requested
2 risky permissions of 4 total
2 high-risk permissions require attention
This extension requests 4 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
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Write to clipboard
Can place content onto your clipboard
Info
https://mettl.com/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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