PSA: Zero-Day Vulnerability in WPGateway Actively Exploited in the Wild

On September 8, 2022, the Wordfence Threat Intelligence team became aware of an actively exploited zero-day vulnerability being used to add a malicious administrator user to sites running the WPGateway plugin. We released a firewall rule to Wordfence Premium, Wordfence Care, and Wordfence Response customers to block the exploit on the same day, September 8, 2022.