Tuesday, March 4, 2025
HomeComputer SecurityChrome Extension That Steals Credit Cards Numbers Detected On Web Store

Chrome Extension That Steals Credit Cards Numbers Detected On Web Store

Published on

SIEM as a Service

Follow Us on Google News

A chrome extension that still available on Chrome Web Store steals the payment card information from website forms visited by the users.

The extension found to be active form February 2018, and the extenstion hidden from regular searches and will be available only through the link that attackers use to spread.

Malicious extension named Reader Flash distributed through injection method, attackers use to infect websites with malicious javascript which detects the browser used by victims and indicates to install flash and redirect them to download the extension.

According to Elevenpaths analysis, the extension embeds simple function to all the websites visited by the user and exploits API functionality webRequest.onBeforeRequest and intercept the user’s form submission.

The injected scripts regularly monitor credit card numbers by having regular expressions in the code for Visa (vvregex), MasterCard (mcregex), etc.”In case of any of the data included in the request is a card number, these numbers –encoded in JSON– will be sent to the attacker through an AJAX request.”

Reader Flash extension found installed more than 400 times and the extension will be available only through the link and not through commom search.”The infrastructure has not been massively spread so far.”

The extension has been reported by Elevenpaths to Google to remove the extension from the Chrome store.

You can follow us on Linkedin, Twitter, Facebook for daily Cybersecurity updates also you can take the Best Cybersecurity courses online to keep your self-updated.

Also Read

Mega vs Dropbox: Most Important Cybersecurity Consideration in the Cloud

A New Banking Malware Disguises as Security Module Steals Your Banking Credentials

Bittrex Cryptocurrency Exchange Delist the Bitcoin Gold After They Declined to Pay 12,372 BTG for Cyber Attack

Gurubaran
Gurubaran
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

Latest articles

Hunters International Claims Tata Technologies Cyberattack

Multinational engineering and technology services firm Tata Technologies has reportedly fallen victim to a...

Authorities Seize $31 Million Linked to Crypto Exchange Hack

U.S. authorities announced the seizure of $31 million tied to the 2021 Uranium Finance...

Google, Meta, and Apple Power the World’s Biggest Surveillance System

Imagine a government that tracks your daily movements, monitors your communications, and catalogs your...

Docusnap for Windows Flaw Exposes Sensitive Data to Attackers

A recently disclosed vulnerability in Docusnap's Windows client software (CVE-2025-26849) enables attackers to decrypt...

Supply Chain Attack Prevention

Free Webinar - Supply Chain Attack Prevention

Recent attacks like Polyfill[.]io show how compromised third-party components become backdoors for hackers. PCI DSS 4.0’s Requirement 6.4.3 mandates stricter browser script controls, while Requirement 12.8 focuses on securing third-party providers.

Join Vivekanand Gopalan (VP of Products – Indusface) and Phani Deepak Akella (VP of Marketing – Indusface) as they break down these compliance requirements and share strategies to protect your applications from supply chain attacks.

Discussion points

Meeting PCI DSS 4.0 mandates.
Blocking malicious components and unauthorized JavaScript execution.
PIdentifying attack surfaces from third-party dependencies.
Preventing man-in-the-browser attacks with proactive monitoring.

More like this

Winos4.0 Malware Targets Windows Users Through Malicious PDF Files

A new wave of cyberattacks leveraging the Winos4.0 malware framework has targeted organizations in...

Lotus Blossom Hacker Group Uses Dropbox, Twitter, and Zimbra for C2 Communications

The Lotus Blossom hacker group, also known as Spring Dragon, Billbug, or Thrip, has...

Squidoor: Multi-Vector Malware Exploiting Outlook API, DNS & ICMP Tunneling for C2

A newly identified malware, dubbed "Squidoor," has emerged as a sophisticated threat targeting government,...