CVE-2026-11961: falha de alta gravidade em User Registration & Membership
User Registration & Membership < 5.2.3 - Unauthenticated Privilege Escalation via Unbound members_data Membership ID
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
41Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 8.1epss 0.4%
da publicação à arma21 dias
Publicada no NVD17 de 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
Produtos afetados
Unknown · User Registration & MembershipPoCs públicas encontradas — 2
githubgithub.com/JohenLastGen-JLG/CVE-2026-11961★ 1cve_referencewpscan.com/vulnerability/2ffab574-8626-472e-b6e4-09bcbaa62349/não verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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