When Malware Returns: The Hidden REST API Vector Behind WordPress Re-infections

Modern WordPress malware bypasses standard scanners by exploiting overlooked REST API endpoints and embedded persistence mechanisms, leading to the 48-hour re-infection cycle that frustrates countless site administrators. For e-commerce and enterprise platforms, this represents a critical blind spot in conventional security approaches—automated tools alone cannot eliminate root-cause persistence mechanisms. Understanding forensic-level remediation and REST API hardening is essential for true remediation and preventing costly repeat infections.