CoinMarketCap briefly hacked to drain crypto wallets via fake Web3 popup
CoinMarketCap, the popular cryptocurrency price tracking site, suffered a website supply chain attack that exposed site visitors to a wallet drainer campaign to steal visitors’ crypto.
On Friday evening, January 20, CoinMarketCap visitors began seeing Web3 popups asking them to connect their wallets to the site. However, when visitors connected their wallets, a malicious script drained cryptocurrency from them.
The company later confirmed threat actors utilized a vulnerability in the site’s homepage “doodle” image to inject malicious JavaScript into the site.
“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…