CoinMarketCap Issues Security Alert After Malicious Wallet Prompt, No Funds Lost
On June 20, 2025, CoinMarketCap detected and removed a malicious JavaScript pop-up on its web portal that urged users to connect their crypto wallets. The leading cryptocurrency data platform issued an urgent security alert on X, warning users not to interact with the deceptive prompt or share private keys. CoinMarketCap confirmed the breach was limited to a front-end compromise, with no user credentials or funds at risk. Immediate remediation steps included clearing the malicious code, conducting an internal audit and reinforcing front-end security measures. Users are advised to clear browser caches, avoid suspicious prompts and follow official updates from CoinMarketCap. This swift response underscores CoinMarketCap’s commitment to platform security and aims to prevent potential phishing attacks.
Neutral
This security alert from CoinMarketCap is likely to have a neutral impact on cryptocurrency prices. The prompt removal of the malicious code and confirmation that no funds or credentials were lost helps maintain user confidence. In the short term, some traders may exercise extra caution when connecting wallets on data platforms, but the swift remediation and transparent communication reduce long-term risk perception. Overall, the incident highlights the importance of front-end security without undermining market stability for related tokens or the broader crypto sector.