CVE-2026-11961: fallo de gravedad alta en User Registration & Membership
User Registration & Membership < 5.2.3 - Unauthenticated Privilege Escalation via Unbound members_data Membership ID
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
41Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 8.1epss 0.4%
de la publicación al arma21 días
Publicada en NVD17 jul
1ª PoC+21d
The User Registration & Membership WordPress plugin before 5.2.3 does not validate that the membership tier submitted during public registration is one of the tiers allowed by the registration form before assigning that tier's associated user role, allowing unauthenticated users to register into an arbitrary published membership tier and obtain its role — up to administrator when such a tier exists.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Unknown · User Registration & MembershipPoCs públicas encontradas — 2
githubgithub.com/JohenLastGen-JLG/CVE-2026-11961★ 1cve_referencewpscan.com/vulnerability/2ffab574-8626-472e-b6e4-09bcbaa62349/no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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