Malicious Browser Extensions Compromise Millions of Users Across Platforms

Malicious Browser Extensions Compromise Millions of Users Across Platforms

First seen 16 Dec 2025, 20:58 UTC •ObservervoiceCybernewsFindarticles •77% similarity •30.6

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A campaign involving malicious browser extensions has compromised over 4 million users across Firefox, Chrome, and Microsoft Edge. Specifically, 17 malicious Firefox extensions infected over 50,000 users by embedding malware in their icons, while the ShadyPanda campaign affected 20 extensions on Chrome and 125 on Edge.

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ShadyPanda Chrome Web Store Firefox Microsoft Edge