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SECURITY REPORT · EXTENSHI SCAN

Supermarket Price Matcher

Firefox extension·by FY
81
/ 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

Supermarket Price Matcher's safety score vs every other extension we've scanned
Globally
41%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,060 extensions
In Shopping
31%of shopping extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,442 shopping extensions
Findings
15
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
0
median 4Declared in manifest
Active users
0
median 3vs category median

Findings breakdown

Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected

Permissions requested

0 permissions declared
No permissions requested
This extension doesn't request any browser permissions. That's unusually clean.

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Scan performed by extenshi.io · Sep 20, 2026
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