Extension Auditor
Sign Up
Firefox Add-ons
58Versions
0Code reviewed

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.

Want us to read this extension's code? Ask for a review and we'll queue it.

99 indicators in this extension

99 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

What our analysis found

Lean Library, used by 7,449 people, 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 2 extensions and was last updated in July 2026.

Lean Library

Lean Library Firefox extension security report

ID: library_access

Extension Info & Metadata

Status
Active
Version
2026.8.3
Size
11.87 MB
Rating
2.7/5
Reviews
67
Users
7,449
Type
Extension
Updated
Jul 27, 2026
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
Download CRX
Firefox Add-ons
Report Issue
This publisherTrack record
2extensions
All still listed

Publisher Contextual Analysis

Author
Lean Library
Privacy
Privacy Policy
Website
Visit
Extensions
2
Active
1
Obsolete
0
Listed
2
Unlisted
0
Users
15,771

Screenshots & videos

Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5

Install growth

Item
Type
Severity
Description
http://*/*
Host
Critical
Broad host access — the extension can read/modify content on every website.
https://*/*
Host
Critical
Broad host access — the extension can read/modify content on every website.
<all_urls>
Host
Critical
Broad host access — the extension can read/modify content on every website.
webNavigation
Permission
High
This permission enables monitoring of all browser navigation events and transitions. Rated High because it can track every page visit, navigation method, and browsing pattern, potentially exposing sensitive browsing behavior and user activities.
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.
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.
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.
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.
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.
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.
contextMenus
Permission
Low
This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.

99 indicators in this extension

99 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

About this extension

The Lean Library extension is a free tool which assists your library in delivering their services directly into your research workflow in more ways than one!

User reviews

Extension files

Browse and explore files within this extension package

Gain full insight into all external connections.

Upgrade for full visibility.

Sign In
URLs
99

URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

No URLs found
No IP addresses found

99 indicators in this extension

99 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
2023.4.1
Latest
0.88 MBNot scanned—
72ff1abe5ca02807cc7d15cb4a9fc4b6bc49335f616cec857e628eb159288725
2023.23.3
2.70 MBNot scanned—
db1cce49aedf6c96a6821b1147d6161330f1f3af40618d9e4125d379e95c7708
2023.25.2
3.69 MBNot scanned—
db1cce49aedf6c96a6821b1147d6161330f1f3af40618d9e4125d379e95c7708
2023.26.2
3.64 MBNot scanned—
8a8517f53cfbb73f313b0281fbe07eebe0e0872c6ec04113107af4a258afd066
2023.27.6
3.76 MBNot scanned—
8a8517f53cfbb73f313b0281fbe07eebe0e0872c6ec04113107af4a258afd066
2023.29.3
3.77 MBNot scanned—
8a8517f53cfbb73f313b0281fbe07eebe0e0872c6ec04113107af4a258afd066
2023.30.0
3.77 MBNot scanned—
8a8517f53cfbb73f313b0281fbe07eebe0e0872c6ec04113107af4a258afd066
2024.1.5
3.75 MBNot scanned—
ac364f6b244beb8c6ccaf2c09f9680b79c1aba2813c5f449cefc465a2173f3d4
2024.2.7
3.87 MBNot scanned—
ac364f6b244beb8c6ccaf2c09f9680b79c1aba2813c5f449cefc465a2173f3d4
2024.2.9
3.88 MBNot scanned—
ac364f6b244beb8c6ccaf2c09f9680b79c1aba2813c5f449cefc465a2173f3d4
Showing 1 to 10 of 60 rows
Rows per page:

Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

Gain full insight into all external connections.

Upgrade for full visibility.

Sign In

Related extensions

More from Lean Library