SECURITY REPORT · EXTENSHI SCAN
Checkwise Fact-Checker
Firefox extension·by Checkwise AI
0
/ 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
Checkwise Fact-Checker's safety score vs every other extension we've scanned
Globally
12%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Social & Communication
5%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 12,741 social & communication extensions
Findings
92
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 92 distinct issues across 6 severities
92
distinct issues
detected
detected
Critical11%
High11%
Needs Review00%
Medium7986%
Low1112%
Info00%
Permissions requested
2 risky permissions of 9 total
1 critical permission require attention
This extension requests 9 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
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Info
https://www.youtube.com/*
No additional information available.
Info
https://www.twitch.tv/*
No additional information available.
Info
https://www.dailymotion.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 9, 2026
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