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.

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Fixes

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Workaround

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History

Fri, 31 Jul 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Ultimatemember
Ultimatemember ultimate Member
Wordpress
Wordpress wordpress
Vendors & Products Ultimatemember
Ultimatemember ultimate Member
Wordpress
Wordpress wordpress

Fri, 31 Jul 2026 06:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Ultimate Member < 2.12.1 - Unauthenticated Privilege Escalation via Role Selection Field
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-07-31T06:00:10.354Z

Reserved: 2026-06-15T08:27:12.663Z

Link: CVE-2026-12251

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T08:00:04Z

Weaknesses

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