SECURITY REPORT · EXTENSHI SCAN
ComparePrix
Firefox extension·by Nuno Joly
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
ComparePrix's safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Shopping
25%of shopping extensions carry more risk
Riskier ←→ Safer
Ranked against 4,067 shopping extensions
Findings
8
median 6Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 4Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Critical113%
High00%
Needs Review00%
Medium563%
Low225%
Info00%
Permissions requested
2 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 2 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
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
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Scan performed by extenshi.io · Aug 16, 2026
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