SECURITY REPORT · EXTENSHI SCAN
FastCast Pro
Edge extension·by vibecoding
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
FastCast Pro's safety score vs every other extension we've scanned
Globally
36%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Communication
56%of communication extensions carry more risk
Riskier ←→ Safer
Ranked against 482 communication extensions
Findings
17
median 19Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
69
median 75vs category median
Findings breakdown
Automated security signal · 17 distinct issues across 6 severities
17
distinct issues
detected
detected
Scanners reported 19 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High16%
Needs Review00%
Medium1376%
Low318%
Info00%
Permissions requested
1 risky permission of 2 total
1 high-risk permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
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
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Scan performed by extenshi.io · Aug 22, 2026
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