157 matches found
A week in security (July 7 – July 13)
Last week on Malwarebytes Labs: Deepfake criminals impersonate Marco Rubio to uncover government secrets McDonaldās AI bot spills data on job applicants Millions of people spied on by malicious browser extensions in Chrome and Edge No thanks: Google lets its Gemini AI access your apps, including...
Millions of people spied on by malicious browser extensions in Chrome and Edge
Researchers have discovered a campaign that tracked usersā online behavior using 18 browser extensions available in the official Chrome and Edge webstores. The total number of installs is estimated to be over two million. These extensions offered functionality, received good reviews, touted...
CVE-2022-28795
A vulnerability within the Avira Password Manager Browser Extensions provided a potential loophole where, if a user visited a page crafted by an attacker, the discovered vulnerability could trigger the Password Manager Extension to fill in the password field automatically. An attacker could then...
Majority of Browser Extensions Can Access Sensitive Enterprise Data, New Report Finds
Everybody knows browser extensions are embedded into nearly every user's daily workflow, from spell checkers to GenAI tools. What most IT and security people don't know is that browser extensions' excessive permissions are a growing risk to organizations. LayerX today announced the release of the...
Researchers Expose New Polymorphic Attack That Clones Browser Extensions to Steal Credentials
Cybersecurity researchers have demonstrated a novel technique that allows a malicious web browser extension to impersonate any installed add-on. "The polymorphic extensions create a pixel perfect replica of the target's icon, HTML popup, workflows and even temporarily disables the legitimate...
Google Chrome Security Bypass Vulnerability (CNVD-2025-06042)
Google Chrome is a web browser from Google, an American company. Google Chrome suffers from a security bypass vulnerability that is caused due to insufficient data validation in extensions. An attacker can exploit this vulnerability to bypass security restrictions...
When Good Extensions Go Bad: Takeaways from the Campaign Targeting Browser Extensions
News has been making headlines over the weekend of the extensive attack campaign targeting browser extensions and injecting them with malicious code to steal user credentials. Currently, over 25 extensions, with an install base of over two million users, have been found to be compromised, and...
Free AI editor lures in victims, installs information stealer instead on Windows and Mac
A large social media campaign was launched to promote a free Artificial Intelligence AI video editor. If the "free" part of that campaign sounds too good to be true, then that's because it was. Instead of the video editor, users got information stealing malware. Lumma Stealer was installed on...
Enterprise Identity Threat Report 2024: Unveiling Hidden Threats to Corporate Identities
In the modern, browser-centric workplace, the corporate identity acts as the frontline defense for organizations. Often referred to as "the new perimeter", the identity stands between safe data management and potential breaches. However, a new report reveals how enterprises are often unaware of h...
New Banshee Stealer Targets 100+ Browser Extensions on Apple macOS Systems
Cybersecurity researchers have uncovered new stealer malware that's designed to specifically target Apple macOS systems. Dubbed Banshee Stealer, it's offered for sale in the cybercrime underground for a steep price of $3,000 a month and works across both x8664 and ARM64 architectures. "Banshee...
New Malware Hits 300,000 Users with Rogue Chrome and Edge Extensions
An ongoing, widespread malware campaign has been observed installing rogue Google Chrome and Microsoft Edge extensions via a trojan distributed via fake websites masquerading as popular software. "The trojan malware contains different deliverables ranging from simple adware extensions that hijack...
New Guide Explains How to Eliminate the Risk of Shadow SaaS and Protect Corporate Data
SaaS applications are dominating the corporate landscape. Their increased use enables organizations to push the boundaries of technology and business. At the same time, these applications also pose a new security risk that security leaders need to address, since the existing security stack does n...
Exploit for Improper Input Validation in Microsoft
š®š± BringThemHome NeverAgainIsNow š®š± We demand the...
New Report: Unveiling the Threat of Malicious Browser Extensions
Compromising the browser is a high-return target for adversaries. Browser extensions, which are small software modules that are added to the browser and can enhance browsing experiences, have become a popular browser attack vector. This is because they are widely adopted among users and can easil...
U.S. Dept Of Defense: Subdomain Takeover via Host Header Injection on www.āāāāā
The vulnerability was a subdomain takeover due to a CNAME record pointing to an unclaimed domain. This allowed malicious individuals to potentially take control of the affected subdomain and use it for malicious purposes...
CVE-2023-36266
An issue was discovered in Keeper Password Manager for Desktop version 16.10.2 fixed in 17.2, and the KeeperFill Browser Extensions version 16.5.4 fixed in 17.2, allows local attackers to gain sensitive information via plaintext password storage in memory after the user is already logged in, and...
Design/Logic Flaw
DISPUTED An issue was discovered in Keeper Password Manager for Desktop version 16.10.2, and the KeeperFill Browser Extensions version 16.5.4, allows local attackers to gain sensitive information via plaintext password storage in memory after the user is already logged in, and may persist after...
CVE-2023-36266
Keeper Password Manager for Desktop (v16.10.2) and KeeperFill Browser Extensions (v16.5.4) store credentials in plaintext in memory after login, enabling local attackers to access sensitive data and potentially persist after logout. The issue is addressed in Keeper v17.2. Root cause: plaintext in...
CVE-2023-36266
An issue was discovered in Keeper Password Manager for Desktop version 16.10.2 fixed in 17.2, and the KeeperFill Browser Extensions version 16.5.4 fixed in 17.2, allows local attackers to gain sensitive information via plaintext password storage in memory after the user is already logged in, and...
New Mystic Stealer Malware Targets 40 Web Browsers and 70 Browser Extensions
A new information-stealing malware called Mystic Stealer has been found to steal data from about 40 different web browsers and over 70 web browser extensions. First advertised on April 25, 2023, for $150 per month, the malware also targets cryptocurrency wallets, Steam, and Telegram, and employs...