extenshi.io
SECURITY REPORT · EXTENSHI SCAN

CarbonViz

Firefox extension·by Stéphane Lecorney
85
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.

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

CarbonViz's safety score vs every other extension we've scanned
Globally
54%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 403,277 extensions
In Other
23%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,735 other extensions
Findings
13
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
16
median 2vs category median

Findings breakdown

Automated security signal · 13 distinct issues across 6 severities
13
distinct issues
detected
Scanners reported 15 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

4 risky permissions of 7 total
4 high-risk permissions require attention
This extension requests 7 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
High
Observe web requests

Can monitor all network requests made by the browser

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

High
Access all HTTP sites

Can read and modify content on all non-encrypted websites

High
Observe web requests(optional)

Can monitor all network requests made by the browser

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Show notifications

Can display desktop notifications outside the browser

Low
Schedule tasks

Can schedule periodic background tasks

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Scan performed by extenshi.io · Jul 25, 2026
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