45 malicious Firefox extensions have been exposed for stealing cryptocurrency wallet details by impersonating trusted platforms.
Attackers are using cloned open-source code and fake branding to target Chrome and Firefox users, urging caution when installing browser extensions.
Chrome faces a zero-day vulnerability threat while Firefox users are at risk from harmful browser extensions, with 45 fake extensions identified in a campaign since April 2025.
Security experts recommend installing extensions only from verified sources, treating browser extensions as software assets, and monitoring for signs of compromise to mitigate risks of crypto credential theft.