Chrome extension
Malicious GhostPoster browser extensions found with 840,000 installs
Another set of 17 malicious extensions linked to the GhostPoster campaign has been discovered in Chrome, Firefox, and Edge stores, where they accumulated a total of 840,000 installations. The GhostPoster campaign was first reported by Koi Security researchers in December. They found 17 extensions that were hiding malicious JavaScript code in their logo images, which monitored browser activity and planted […]
Zoom Stealer browser extensions harvest corporate meeting intelligence
A newly discovered campaign, which researchers call Zoom Stealer, is affecting 2.2 million Chrome, Firefox, and Microsoft Edge users through 18 extensions that collect online meeting-related data like URLs, IDs, topics, descriptions, and embedded passwords. Zoom Stealer is one of three browser extension campaigns that reached more than 7.8 million users over seven years and […]
Trust Wallet says 2,596 wallets drained in $7 million crypto theft attack
Trust Wallet says attackers who compromised its browser extension right before Christmas have drained approximately $7 million from nearly 3,000 cryptocurrency wallet addresses. The cryptocurrency wallet (used by over 200 million people according to its official website) allows users to store, send, receive, and manage Bitcoin, Ethereum, Solana, and thousands of other cryptocurrencies and digital […]
Trust Wallet confirms extension hack led to $7 million crypto theft
Trust Wallet confirmed that a compromised Chrome extension update released on December 24 led to $7 million in stolen cryptocurrency after users reported their wallets drained. “So far, $7m affected by this hack. TrustWallet will cover. User funds are SAFU. Appreciate your understanding for any inconveniences caused,” posted Binance founder Changpeng “CZ” Zhao on X. “The team is still investigating […]
Malicious extensions in Chrome Web store steal user credentials
Two Chrome extensions in the Web Store named ‘Phantom Shuttle’ are posing as plugins for a proxy service to hijack user traffic and steal sensitive data. Both extensions are still present in Chrome’s official marketplace at the time of writing and have been active since at least 2017, according to a report from researchers at the […]
Malicious Chrome extensions with 1.7M installs found on Web Store
Almost a dozen malicious extensions with 1.7 million downloads in Google’s Chrome Web Store could track users, steal browser activity, and redirect to potentially unsafe web addresses. Most of the add-ons provide the advertised functionality and pose as legitimate tools like color pickers, VPNs, volume boosters, and emoji keyboards. Researchers at Koi Security, a company providing a platform […]
Data-stealing Chrome extensions impersonate Fortinet, YouTube, VPNs
A Google Chrome Web Store campaign uses over 100 malicious browser extensions that mimic legitimate tools, such as VPNs, AI assistants, and crypto utilities, to steal browser cookies and execute remote scripts secretly. The extensions offer some of the promised functionality, but also connect to the threat actor’s infrastructure to steal user information or receive […]
Cookie-Bite attack PoC uses Chrome extension to steal session tokens
A proof-of-concept attack called “Cookie-Bite” uses a browser extension to steal browser session cookies from Azure Entra ID to bypass multi-factor authentication (MFA) protections and maintain access to cloud services like Microsoft 365, Outlook, and Teams. The attack was devised by Varonis security researchers, who shared a proof-of-concept (PoC) method involving a malicious and a legitimate Chrome […]
Chrome extensions with 6 million installs have hidden tracking code
A set of 57 Chrome extensions with 6,000,000 users have been discovered with very risky capabilities, such as monitoring browsing behavior, accessing cookies for domains, and potentially executing remote scripts. These extensions are ‘hidden,’ meaning they don’t show up on Chrome Web Store searches, nor do search engines index them, and can only be installed […]
Malicious Chrome extensions can spoof password managers in new attack
A newly devised “polymorphic” attack allows malicious Chrome extensions to morph into other browser extensions, including password managers, crypto wallets, and banking apps, to steal sensitive information. The attack was devised by SquareX Labs, which warns of its practicality and feasibility on the latest version of Chrome. The researchers have responsibly disclosed the attack to Google. […]