Recent research by SquareX has revealed a dangerous class of malicious browser extensions capable of impersonating legitimate ones, specifically targeting password managers and crypto wallets. These extensions can mimic the interface and icons of real extensions, tricking users into entering confidential information. By initially presenting as benign tools, they lull victims into complacency, before rapidly adopting the appearance of any installed extensions. This sophisticated method makes it especially challenging for users to discern between legitimate tools and impostors, raising serious security concerns for organizations that rely on browser extensions.
Researchers from SquareX uncovered a new class of malicious extensions that can clone the appearance and functionality of legitimate browser extensions, heightening security risks.
The attack mechanism involves the malicious extension masquerading as another tool, first functioning normally, then cloning the interface of legitimate extensions to deceive users.
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