SECURITY REPORT · EXTENSHI SCAN
Arweave
Firefox extension·by Arweave Team
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
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
Arweave's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,710 extensions
In Privacy & Security
0%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 7,627 privacy & security extensions
Findings
209
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
10
median 4Declared in manifest
Active users
122
median 4vs category median
Findings breakdown
Automated security signal · 209 findings across 5 severities
209
findings
detected
detected
Critical10%
High6230%
Medium9244%
Low5426%
Info00%
Permissions requested
8 risky permissions of 10 total
1 critical permission require attention
This extension requests 10 permissions in total. 8 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
View open tabs
Can see URLs and titles of all open tabs
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
High
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
High
Manage downloads
Can initiate downloads and access your download history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Add context menu items
Can add custom items to the right-click context menu
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Scan performed by extenshi.io · Jun 25, 2026
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