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SECURITY REPORT · EXTENSHI SCAN

GMX Cashback Alarm

Firefox extension·by 1&1 Mail & Media GmbH
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

GMX Cashback Alarm's safety score vs every other extension we've scanned
Globally
43%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,831 extensions
In Alerts & Updates
24%of alerts & updates extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 7,167 alerts & updates extensions
Findings
25
median 6Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
13
median 3Declared in manifest
Active users
70
median 2vs category median

Findings breakdown

Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
Scanners reported 27 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 13 total
3 high-risk permissions require attention
This extension requests 13 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
Observe web requests

Can monitor all network requests made by the browser

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Access user identity

Can get OAuth2 tokens and access your Google account identity

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Low
Schedule tasks

Can schedule periodic background tasks

Info
*://*/*

No additional information available.

Info
*://*.google.de/search?*

No additional information available.

Info
*://*.google.com/search?*

No additional information available.

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Scan performed by extenshi.io · Oct 22, 2026
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