The Ultimate Member WordPress plugin before 2.13.0 does not validate a submitted role selection when it cannot resolve the set of roles a profile form permits, and screens the value against the site's registered role names rather than against the form's own allow-list, allowing unauthenticated users who register through the Ultimate Member WordPress plugin before 2.13.0's own form to grant themselves arbitrary capabilities and reach administrator-equivalent access.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ultimate Member Plugin | — | Update ultimate-member plugin to version 2.13.0, or a newer patched version | Oct 30, 2026 | Aug 28, 2026 |
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