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Firefox Add-ons
2Versions
0Code reviewed

Not reviewed

No code review on record

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What our analysis found

CSS Viewer 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 70 extensions and was last updated in July 2025.

CSS Viewer Firefox extension security report

ID: css-viewer-style

Extension Info & Metadata

Status
Active
Version
3.0
Size
0.02 MB
Rating
2.0/5
Reviews
1
Users
0
Type
Extension
Updated
Jul 31, 2025
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
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This publisherTrack record
70extensions
All still listed

Publisher Contextual Analysis

Author
yaagame
Privacy
Privacy Policy
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Extensions
70
Active
35
Obsolete
0
Listed
70
Unlisted
0
Users
9,107

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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.
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.
Broad Content Script Access
Risk Factor
High
This extension can inject scripts into any website.
activeTab
Permission
Medium
This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
Older Manifest Version
Risk Factor
Medium
This extension uses Manifest Version 2

About this extension

Check the hidden CSS style of objects, colors, and assets on the web

User reviews

Extension files

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No network indicators were extracted from this version.

Version
Size
Verdict
Findings
Permhash
2.0
Latest
1.38 MBNot scanned—
d8b8e6a8ede9137e4a3b7f6bff6e7a1de52884967f717ad0eac25449658634cd
3.0
0.02 MBNot scanned—
3e6d46c74759455ad94ba48b63161d2ac0d52142911cecccfd1d25eb911df2b1
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Code Diff

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