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SECURITY REPORT · EXTENSHI SCAN

Timezone Guard

Firefox extension·by Three_radiance
73
/ 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

Timezone Guard's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,240 extensions
In Privacy & Security
15%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,466 privacy & security extensions
Findings
14
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 4Declared in manifest
Active users
1
median 3vs category median

Findings breakdown

Automated security signal · 14 distinct issues across 6 severities
14
distinct issues
detected

Permissions requested

5 risky permissions of 6 total
1 critical permission require attention
This extension requests 6 permissions in total. 5 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
Observe web requests

Can monitor all network requests made by the browser

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

High
Filter responses

Can filter and modify HTTP response bodies

High
Filter service worker scripts

Can intercept and modify service worker scripts

Medium
Store local data

Can save data locally in the browser for persistence

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Scan performed by extenshi.io · Aug 30, 2026
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