Developer of Gravity Forms for WordPress warns about a malware attack affecting core plugin packages, allowing external access to compromised websites.
Malware in the packages blocks updates and attempts to add an administrative account, providing a backdoor for further malicious actions.
Malicious code references gravityapi.org domain, registered under redacted details linked to Reykjavik, Iceland.
Users advised to check for infection using specific links, restore websites from backups before July 9, and take actions to secure their sites.