SECURITY REPORT · EXTENSHI SCAN
SFMC Journey Email Previews Sender
Chrome extension·by Up Chen
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
SFMC Journey Email Previews Sender's safety score vs every other extension we've scanned
Globally
8%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,719 extensions
In Productivity
19%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 25,973 productivity extensions
Findings
24
median 10Lower is safer
Critical findings
4
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
67
median 23vs category median
Findings breakdown
Automated security signal · 24 findings across 5 severities
24
findings
detected
detected
Critical417%
High417%
Medium1458%
Low28%
Info00%
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
View open tabs
Can see URLs and titles of all open tabs
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
Low
Use side panel
Can display content in the browser side panel
Are you the author of SFMC Journey Email Previews Sender?
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Scan performed by extenshi.io · Jun 25, 2026
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