SECURITY REPORT · EXTENSHI SCAN
SameSame
Firefox extension·by 紙で切った
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
SameSame's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Shopping
1%of shopping extensions carry more risk
Riskier ←→ Safer
Ranked against 4,067 shopping extensions
Findings
180
median 6Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
6
median 4Declared in manifest
Active users
3
median 3vs category median
Findings breakdown
Automated security signal · 180 distinct issues across 6 severities
180
distinct issues
detected
detected
Critical21%
High3017%
Needs Review00%
Medium13474%
Low53%
Info95%
Permissions requested
3 risky permissions of 6 total
3 high-risk permissions require attention
This extension requests 6 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
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
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 24, 2026
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