What is CVE-2026-12251?
CVE-2026-12251 is a vulnerability in the Ultimate Member WordPress plugin before version 2.12.1 that fails to filter administrator-level capabilities on registration forms. Combined with a disabled post-registration safeguard by default, this allows unauthenticated users to register with elevated privileges. Updating the plugin to the latest version is strongly recommended.
Azərbaycanca: CVE-2026-12251 Ultimate Member WordPress plugin-in 2.12.1-dən əvvəlki versiyalarında qeydiyyat formalarında administrator səviyyəli imtiyazların seçilməsinə imkan verən boşluqdur. Qeydiyyatdan sonrakı qoruma defolt olaraq deaktiv olduğu üçün autentifikasiya olunmamış istifadəçilər yüksək səlahiyyətli hesabla qeydiyyatdan keçə bilər. Plugin-i dərhal ən son versiyaya yeniləmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-269
FAQ2
In which process of the Ultimate Member plugin does CVE-2026-12251 manifest itself?
The vulnerability arises from the failure to filter administrator-level capabilities on registration forms.
How can unauthenticated users exploit this vulnerability?
Because the post-registration safeguard is disabled by default, they can register with elevated privileges.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.