CVE-2026-15413Backdoor in Link Factory WordPress plugin
The Link Factory WordPress plugin is a backdoor. Distributed as a "homepage sentence publisher", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check).
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El plugin Link Factory para WordPress incluye un backdoor que permite a atacantes remotos tomar control total del sitio mediante una API REST oculta. Esta vulnerabilidad utiliza una llave pública preconfigurada para autenticar comandos maliciosos, permitiendo la ejecución de código arbitrario y el acceso total al servidor.
Relevant roles
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HEPSS
No EPSS score yet (CVE may be too fresh).
Technical description
The Link Factory WordPress plugin is a backdoor. Distributed as a "homepage sentence publisher", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check).