SECURITY REPORT · EXTENSHI SCAN
Clipboard History
Firefox extension·by Jordanica
76
/ 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
Clipboard History's safety score vs every other extension we've scanned
Globally
29%of extensions carry more risk
Riskier ←→ Safer
Ranked against 401,999 extensions
In Appearance
8%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 18,896 appearance extensions
Findings
10
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 2Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected
detected
Critical110%
High00%
Needs Review00%
Medium880%
Low110%
Info00%
Permissions requested
1 risky permission of 3 total
1 critical permission require attention
This extension requests 3 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Write to clipboard
Can place content onto your clipboard
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Scan performed by extenshi.io · Aug 1, 2026
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