SECURITY REPORT · EXTENSHI SCAN

Cercula CO2 Helper

Firefox extension·by Cercula

/ 100 SAFETY SCORE

CRITICAL

Severe indicators. Treat as unsafe until the developer addresses these findings.

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

Cercula CO2 Helper's safety score vs every other extension we've scanned

Globally

0%of extensions carry more risk

This extension

Riskier ←→ Safer

Ranked against 369,936 extensions

In Other

0%of other extensions carry more risk

This extension

Riskier ←→ Safer

Ranked against 26,888 other extensions

Findings

median 3Lower is safer

Critical findings

median 0Severity = Critical

Permissions

median 3Declared in manifest

Active users

median 2vs category median

Findings breakdown

Automated security signal · 22 distinct issues across 6 severities

distinct issues
detected

Critical314%

High15%

Needs Review00%

Medium1464%

Low15%

Info314%

Permissions requested

2 risky permissions of 14 total

1 critical permission require attention

This extension requests 14 permissions in total. 2 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

View open tabs

Can see URLs and titles of all open tabs

Medium

Access current tab

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

Medium

Store local data

Can save data locally in the browser for persistence

Medium