SECURITY REPORT · EXTENSHI SCAN
Costco Tools by RestockBotAlerts
Firefox extension·by Tremscol
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
Costco Tools by RestockBotAlerts's safety score vs every other extension we've scanned
Globally
21%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Shopping
15%of shopping extensions carry more risk
Riskier ←→ Safer
Ranked against 4,067 shopping extensions
Findings
20
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
6
median 4Declared in manifest
Active users
3
median 3vs category median
Findings breakdown
Automated security signal · 20 distinct issues across 6 severities
20
distinct issues
detected
detected
Critical00%
High15%
Needs Review00%
Medium1470%
Low525%
Info00%
Permissions requested
1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies(optional)
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Container tabs
Can manage Firefox container tabs and their identities
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://www.costco.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 16, 2026
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