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.
Metrics
Affected Vendors & Products
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References
History
Fri, 17 Jul 2026 06:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | User Registration & Membership < 5.2.3 - Unauthenticated Privilege Escalation via Unbound members_data Membership ID | |
| References |
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MITRE
Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-07-17T06:00:02.044Z
Reserved: 2026-06-11T07:56:03.810Z
Link: CVE-2026-11961
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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