Mend.io Vulnerability Database
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MSC-2025-7880
September 08, 2025
ansi-regex was compromised to include malicious code that targets browser-based web3 environments. The injected payload intercepts Ethereum and Solana wallet interactions, redirecting funds and approvals to attacker-controlled addresses. The compromise occurred after a maintainer’s account was accessed via phishing. We recommend removing the affected version from the codebase and using the latest version 6.2.2
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
ATTACKED
CVSS v3
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Exploit Maturity
HIGH
Weakness Type (CWE)
Hidden Functionality