CVE-2026-12251 — Ultimate Member < 2.12.1 - Unauthenticated Privilege Escalation via Role Selection Field
The Ultimate Member WordPress plugin before 2.12.1 does not filter administrator-level capabilities from the roles it makes selectable on its registration forms, and its post-r…
Published: 2026-07-31 · CVSS: 8.1 · CVSS 3.1
The Ultimate Member WordPress plugin before 2.12.1 does not filter administrator-level capabilities from the roles it makes selectable on its registration forms, and its post-registration safeguard against elevated accounts is disabled by default, allowing unauthenticated users to register with a site-defined role that carries administrator capabilities and gain administrative access, when such a role exists and a role-selection field is present on a published registration form.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7