CVE-2026-87759

HighCVSS 8.8/10Last modified Sep 14, 2026

Description

The Add User Autocomplete WordPress plugin before 1.2 does not perform any capability or nonce check before creating a pending site-membership invitation carrying a caller-supplied role, allowing any authenticated user, such as a subscriber, to grant themselves the administrator role on a multisite installation.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 12, 2026
Last modified
Sep 14, 2026
NVD status
Deferred

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CVE-2026-87759: High severity, CVSS 8.8 | Vulnix