The company has not disclosed how many users were affected or whether any wallets were compromised as a result of the exploit. Jun 21, 2025, 3:28 p.m. Hackers exploited a vulnerability in CoinMarketCap’s front-end system, using a seemingly harmless doodle image to inject malicious code that triggered fake wallet verification pop-ups across the site.The breach, confirmed by CoinMarketCap, used its backend API to deliver a manipulated JSON payload that embedded JavaScript into the homepage accordi...