CVE-2026-87759

High

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductAdd User Autocomplete
PublishedSep 12, 2026
First seenSep 12, 2026

How to fix

Update
  • Add User Autocomplete1.2 or later

Affected products

ProductAffected versionsFixed in
Add User Autocompletev < 1.21.2

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