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66 indicators in this extension

66 indicators
0 versions analysed

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What our analysis found

C2 Password, used by 30,000 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites, can inject scripts into pages and can observe network requests. It comes from a trusted publisher and was last updated in June 2026.

C2 Password

C2 Password Chrome extension security report

ID: kfmlopbepahlcjbkfnnklglgibbopkbk

Supported Languages

🇹🇼Chinese (Traditional)
🇺🇸English
🇫🇷French
🇩🇪German
🇮🇹Italian
🇯🇵Japanese
🇰🇷Korean
🇷🇺Russian
🇪🇸Spanish

Extension Info & Metadata

Status
Active
Version
3.0.0
Size
4.46 MB
Rating
4.6/5
Reviews
245
Users
30,000
Type
Extension
Updated
Jun 22, 2026
Category
Privacy & security
Price
Free
Featured
Yes
Visibility
Listed
Mature
No
By Google
No
Trusted
Yes
Download CRX
Chrome Web Store
Report Issue
This publisherTrack record
5extensions
All still listed

Publisher Contextual Analysis

Trusted
Author
Synology.com
Privacy
Privacy Policy
Help
Help Center
Country
TW
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Address
遠東路 1 號九樓 板橋區, 新北市 22063 TW
Website
Visit
Extensions
5
Active
5
Obsolete
0
Listed
4
Unlisted
1
Users
290,000

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Screenshots & videos

Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5

Install growth

Item
Type
Severity
Description
privacy
Permission
Critical
This permission allows modification of Chrome's privacy settings. Rated Critical because it can disable security features, modify network configurations, and compromise browser security settings.
scripting
Permission
Critical
This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.
webRequest
Permission
Critical
This permission enables the extension to monitor and analyze all web requests made by the browser. Rated Critical because it can observe all network traffic including sensitive data, track browsing behavior, and gather authentication tokens.
webRequestAuthProvider
Permission
Critical
This permission allows the extension to handle authentication requests and modify authentication headers. Rated Critical because it can intercept login credentials, session tokens, and modify authentication flows to compromise accounts.
<all_urls>
Host
Critical
Broad host access — the extension can read/modify content on every website.
offscreen
Permission
High
This permission creates hidden browser documents with full DOM access. Rated High because it can run background operations invisibly, potentially executing malicious code without user awareness.
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.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation
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.
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.
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
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.
idle
Permission
Low
This permission detects system idle state. Rated Low because it only observes user activity state without access to activity details.

66 indicators in this extension

66 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

A highly secure password management solution to store, sync, and safeguard your credentials.

Read the publisher’s full description

A highly secure and free password management solution for protecting your passwords and personal information. C2 Password lets you sync your credentials across an unlimited number of devices and access them from anywhere via the web portal, app, and browser extension. All the data you upload is encrypted before leaving your device, so you can rest assured that no one but you can access your data. This extension is useful in many ways: ✍️ Autofill logins - Automatically fill in usernames and passwords when signing in to websites. 💾 Auto-save passwords - Automatically save new passwords, usernames, and updates to saved passwords when signing in or creating new online accounts. 🆕 Generate unique passwords - Create a strong and random password for every website to increase account security. 📝 Autofill form data - Click payment and personal information in the extension to fill them in when shopping online. Save time while keeping your data safe. Get started with C2 Password today! 🔥 Get the most out of your extension: https://kb.synology.com/C2/tutorial/Get_started_with_C2_Password_extension ℹ️ For more information: https://c2.synology.com/password/overview 🔒 Privacy Policy: https://www.synology.com/company/legal/privacy 💬 Feel free to post any questions you have in Synology Community: https://community.synology.com/enu/forum/4

User reviews

Extension files

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URLs
66

URLs

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No URLs found
No IP addresses found

66 indicators in this extension

66 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
3.0.0-5
Latest
4.46 MBNot scanned—
02cdaa841d1d4825743384d19cf65e363fb0e87784c16bd1b8dcf45e8d75590e
3.0.0
4.46 MBNot scanned—
1e270fac699a40ef7bd34f50c11812a5bdafd659ead37702125906579b8e39e4
2.30.17
4.45 MBNot scanned—
1e270fac699a40ef7bd34f50c11812a5bdafd659ead37702125906579b8e39e4
2.30.11
4.46 MBNot scanned—
1e270fac699a40ef7bd34f50c11812a5bdafd659ead37702125906579b8e39e4
1.0.3.29
N/ANot scanned—
02cdaa841d1d4825743384d19cf65e363fb0e87784c16bd1b8dcf45e8d75590e
1.0.2.28
N/ANot scanned—
02cdaa841d1d4825743384d19cf65e363fb0e87784c16bd1b8dcf45e8d75590e
1.0.0.22
N/ANot scanned—
02cdaa841d1d4825743384d19cf65e363fb0e87784c16bd1b8dcf45e8d75590e
2.28.5
4.69 MBNot scanned—
1e270fac699a40ef7bd34f50c11812a5bdafd659ead37702125906579b8e39e4
2.24.3
4.00 MBNot scanned—
89a060028b5f5da7c6c0d2d5c4ff19e6cda20938d2190fc63e13a59c2c67de44
2.24.2
4.00 MBNot scanned—
89a060028b5f5da7c6c0d2d5c4ff19e6cda20938d2190fc63e13a59c2c67de44
Showing 1 to 10 of 70 rows
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