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SECURITY REPORT · EXTENSHI SCAN

TempMail - Disposable Email

Firefox extension·by Grisma
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

TempMail - Disposable Email's safety score vs every other extension we've scanned
Globally
27%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,632 extensions
In Privacy & Security
21%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,500 privacy & security extensions
Findings
39
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
7
median 4Declared in manifest
Active users
0
median 3vs category median

Findings breakdown

Automated security signal · 39 distinct issues across 6 severities
39
distinct issues
detected

Permissions requested

1 risky permission of 7 total
1 critical permission require attention
This extension requests 7 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

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Add context menu items

Can add custom items to the right-click context menu

Low
Schedule tasks

Can schedule periodic background tasks

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

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Scan performed by extenshi.io · Sep 20, 2026
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