Firefox Add-ons
47Versions
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295 indicators in this extension

295 indicators
0 versions analysed

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What our analysis found

floccus, used by 8,914 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites and allows unsafe code evaluation. It comes from a publisher with 2 extensions and was last updated in July 2026.

floccus

floccus Firefox extension security report

ID: floccus

Extension Info & Metadata

Status
Active
Version
5.10.2
Size
15.28 MB
Rating
4.5/5
Reviews
247
Users
8,914
Type
Extension
Updated
Jul 18, 2026
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
This publisherTrack record
2extensions
All still listed

Publisher Contextual Analysis

Author
Marcel Klehr
Extensions
2
Active
1
Obsolete
0
Listed
2
Unlisted
0
Users
18,813

Screenshots & videos

Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4

Install growth

Item
Type
Severity
Description
*://*/*
Host
Critical
Broad host access — the extension can read/modify content on every website.
identity
Permission
High
This permission accesses Chrome identity service and user information. Rated High because it can obtain OAuth tokens, access connected accounts, and impersonate the user in authenticated service.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 15% increase: Older manifest version lacks modern security controls• 25% increase: Unsafe code evaluation capabilities increase attack surface
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Unsafe JavaScript Evaluation
Risk Factor
High
This extension's CSP allows "unsafe-eval".
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.
unlimitedStorage
Permission
Medium
This permission removes storage quota restrictions. Rated Medium because it can store large amounts of user data without limits, potentially impacting browser performance and storing extensive tracking data.
tabs
Permission
Medium
This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.
tabGroups
Permission
Medium
This permission manages tab grouping functionality. Rated Medium because it can monitor tab organization, track user workflow patterns, and modify tab relationships.
Older Manifest Version
Risk Factor
Medium
This extension uses Manifest Version 2
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.
bookmarks
Permission
Low
This permission manages browser bookmarks and folders. Rated Low because it can only modify bookmark data, which is not sensitive and changes are visible to users.

295 indicators in this extension

295 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

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About this extension

Securely synchronize bookmarks across Chrome, Firefox, Edge, and more using your own cloud storage.

User reviews

Extension files

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URLs
294
IPv4
1

URLs

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No URLs found
No IP addresses found

295 indicators in this extension

295 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe
Version
Size
Verdict
Findings
Permhash
4.19.1
Latest
5.21 MBNot scanned—
cc4203000b157e1a926d2158ad291008e4746a1a3c94e0821b52c8a21859160a
5.0.2
5.50 MBNot scanned—
ab1b88c73a86198ea1f5d4a2f73cf942cb79e7c3a04c946044077dd017df811c
5.0.3
5.49 MBNot scanned—
ab1b88c73a86198ea1f5d4a2f73cf942cb79e7c3a04c946044077dd017df811c
5.0.4
5.49 MBNot scanned—
ab1b88c73a86198ea1f5d4a2f73cf942cb79e7c3a04c946044077dd017df811c
5.0.5
5.50 MBNot scanned—
ab1b88c73a86198ea1f5d4a2f73cf942cb79e7c3a04c946044077dd017df811c
5.0.6
5.50 MBNot scanned—
cc4203000b157e1a926d2158ad291008e4746a1a3c94e0821b52c8a21859160a
5.0.7
5.51 MBNot scanned—
cc4203000b157e1a926d2158ad291008e4746a1a3c94e0821b52c8a21859160a
5.0.8
5.51 MBNot scanned—
f8b816facdc84b8f9e871a79fc8723fa60109d130cb3642e8dc3707571018a53
5.0.10
5.51 MBNot scanned—
f8b816facdc84b8f9e871a79fc8723fa60109d130cb3642e8dc3707571018a53
5.1.0
5.83 MBNot scanned—
f8b816facdc84b8f9e871a79fc8723fa60109d130cb3642e8dc3707571018a53
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Code Diff

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