CoinMarketCap Falls Victim to Phishing Attack via Wallet Verification Scam
Security/Tech

CoinMarketCap Falls Victim to Phishing Attack via Wallet Verification Scam

A breach at CoinMarketCap led to users facing phishing pop-ups requesting wallet verification, sparking concerns over security.

Summary

On June 20, 2025, CoinMarketCap experienced a security breach that exploited a vulnerability in its front-end system through a benign-looking doodle image. This hack caused fraudulent wallet verification pop-ups on the site, misleading users into believing they needed to verify their wallets to access their funds.

Key Points

  • Hackers used a harmless doodle image to inject malicious code.
  • The code triggered fake wallet verification pop-ups on the site, designed to phish users’ cryptocurrency access.
  • CoinMarketCap quickly removed the pop-up and has taken steps to address the vulnerability.

Quote from CoinMarketCap:

“On June 20, 2025, our security team identified a vulnerability related to a doodle image displayed on our homepage. This doodle image contained a link that triggered malicious code through an API call, resulting in an unexpected pop-up for some users when visited our homepage.”
(Translation: On June 20, 2025, our security team identified a vulnerability related to a doodle image displayed on our homepage…)

The breach has raised concerns over the safety of user data on the platform, although CoinMarketCap has not disclosed the total number of affected users or whether any wallets were compromised.

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