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CVE-2026-19423

HIGH 8.1 CVSS 3.1
Published
August 28, 2026
Last modified
August 28, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-269
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Affected WordPress components

  • Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin Plugin · ultimate-member
    Confirmed match Active
    From 2.6.7 (including) to 2.13.0 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Ultimate Member — From 2.6.7 (including) to 2.13.0 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/3cdc8700-165a-4787-a3d0-b0914865b07b/
  • nvd.nist.gov Official NVD record