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1Versions
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Not reviewed

No code review on record

We have not reviewed this extension’s code, so we cannot vouch for it either way. Check the permissions below to decide whether it asks for more than it needs.

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What our analysis found

MetaMask is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites. It comes from a publisher with 58 extensions and was last updated in August 2025.

MetaMask Firefox extension security report

ID: metamask_x

Extension Info & Metadata

Status
Active
Version
12.23.1
Size
0.03 MB
Rating
1.1/5
Reviews
1,130
Users
0
Type
Extension
Updated
Aug 21, 2025
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
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This publisherTrack record
58extensions
All still listed

Publisher Contextual Analysis

Author
MetaMask
Privacy
Privacy Policy
Website
Visit
Extensions
58
Active
32
Obsolete
0
Listed
58
Unlisted
0
Users
3,470,403

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Install growth

Item
Type
Severity
Description
<all_urls>
Host
Critical
Broad host access — the extension can read/modify content on every website.
clipboardRead
Permission
High
This permission allows reading clipboard content. Rated High because it can steal copied passwords, sensitive data, and monitor all content copied to clipboard.
clipboardWrite
Permission
High
This permission allows modification of clipboard content. Rated High because it can inject malicious content into the clipboard, modify copied passwords, and manipulate copied data.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 15% increase: Older manifest version lacks modern security controls
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Older Manifest Version
Risk Factor
Medium
This extension uses Manifest Version 2

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About this extension

The most secure wallet for crypto, NFTs, and DeFi, trusted by millions of users

User reviews

Extension files

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URLs
1

URLs

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No URLs found
No IP addresses found

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Version
Size
Verdict
Findings
Permhash
12.23.1
Latest
0.03 MBNot scanned—
9f5b9e16d13a6502c31e0c9af0e792ead9c63b9acd5020fdcc26049e3fc3b8dd
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