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Chrome Zero-Day, 'FoxyWallet' Firefox Attacks Threaten Browsers

ID: 88ee7dac-df93-5618-8564-27b2b0bd6a64

STIX ID: report--88ee7dac-df93-5618-8564-27b2b0bd6a64

Feed Name: Dark Reading

Threat Score
80/100

Date Published: 2025-07-01

Date Updated: 2026-04-21

Author: Elizabeth Montalbano, Contributing Writer

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The report details two concurrent browser threats: an actively exploited Chrome zero-day (CVE-2025-6554), a V8 type-confusion bug enabling remote code execution that Google patched urgently, and a widespread Firefox extension campaign called "FoxyWallet" (45 malicious add-ons, seven still live) impersonating crypto wallets to exfiltrate secrets; organizations are advised to apply Chrome updates immediately and treat browser extensions like software (use allowlists and continuous monitoring).

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