Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: Collextr

CRITICAL RISKRemoved from Chrome Web Store

Collextr

ID: nklmcgdpfgncdepaoenfnnfencmilhep

Could be malicious

Supported Languages

🇺🇸English

Extension Info & Metadata

Status

Removed

Version

1.0

Size

0.12 MB

Rating

0.0/5

Reviews

Users

Type

Extension

Updated

Nov 28, 2024

Publisher Contextual Analysis

Author: https://collextr.comView Profile
Privacy: Privacy Policy
Help: Help Center
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes
Website: Visit

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

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Collextr Extension

This extension is designed to analyze website content and help users assess whether a business is a suitable fit for their needs. By securely processing session data and search result information, it delivers valuable insights directly from the active tab. This functionality enables users to make informed decisions based on business criteria, streamlining the process of evaluating potential business opportunities.

User Growth

Showing data from Jan 26, 2025 to Apr 25, 2026

Versions

No change in user count

Compared to 3 months ago

1 version released in this period

Rating Count

Total: 0 ratings

Average Rating

Current: 0.00 / 5.0

Extracted Data

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By severity

Critical2

High1

Medium2

Low0

Versions scanned

Showing 1 of 1 scanned version with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
1.0 Code review	5

Extension Version	Code Review Findings
1.0	5

Files with findings

4 distinct paths — top paths by unique finding count:

js/Leads.js2
js/background.js1
js/utils.js1
manifest.json1

S.No.	Category	Severity	File	Summary	Found in Version
1	Credential Theft	critical	js/background.js (line 60)	The service worker reads LinkedIn's authentication session cookies (li_a, li_at, JSESSIONID) directly from the browser cookie jar. These cookies are bearer credentials that grant full account access to LinkedIn — poss…	1.0
2	Data Exfiltration	critical	js/Leads.js (line 93)	The extension exfiltrates the harvested LinkedIn session cookies (li_a, li_at, JSESSIONID) to a third-party backend at https://backend-z25k7.ondigitalocean.app/backend/crawler/linkedin/save-cookie. With these cookies …	1.0
3	Privilege Escalation	high	manifest.json (line 26)	Although host_permissions is scoped to LinkedIn, the content_scripts block matches <all_urls>, so the full bundle (including Supabase client, Api wrapper, Leads crawler, cookie-prompt UI) is injected into every page t…	1.0
4	Code Injection	medium	js/Leads.js (line 283)	Backend-supplied lead fields (fullName, jobTitle, avatarUrl, linkToProfileLinkedIn) are interpolated directly into innerHTML with no escaping. Since this content script is injected into the shadow DOM of every visited…	1.0
5	Unauthorized Data Collection	medium	js/utils.js (line 31)	Because the content script runs on <all_urls>, this DOM-scraper executes on every site the user visits and harvests LinkedIn URLs found on the page. The first such URL is then sent server-side via apiClient.post('/bac…	1.0

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URLs

IPv4

IPv6

URLs

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

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www.w3.org	/2000/svg	http://www.w3.org/2000/svg
collextr.com	-	https://collextr.com
accounts.google.com	/o/oauth2/auth	https://accounts.google.com/o/oauth2/auth
${chrome.runtime.id}.chromiumapp.org`	-	https://${chrome.runtime.id}.chromiumapp.org`
wtctsnprkngpnbxojwpt.supabase.co	-	https://wtctsnprkngpnbxojwpt.supabase.co
backend-z25k7.ondigitalocean.app	-	https://backend-z25k7.ondigitalocean.app
collextr.com	/icp-definition	https://collextr.com/icp-definition
www.jsdelivr.com	/using-sri-with-dynamic-files	https://www.jsdelivr.com/using-sri-with-dynamic-files
developer.mozilla.org	/en-US/docs/Web/API/LockManager/request	https://developer.mozilla.org/en-US/docs/Web/API/LockManager/request
localhost	-	http://localhost:9999

Showing 1 to 10 of 20 rows

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No IP addresses found

Version History

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Browse and explore files within this extension package

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Security Alert: Confirmed Malware

Collextr

Supported Languages

Extension Info & Metadata

Publisher Contextual Analysis

Chrome Web Store Metadata

Screenshots & Videos

About this extension

Analytics & Metrics

User Growth

Rating Count

Average Rating

Static Code Security Analysis

Extracted Data

Code Review Findings Summary Across 1 Version5

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

Version History

Version-to-Version Code Diff

Extension Files

User Growth

Rating Count

Average Rating