Vulnerability · Published Sep 12, 2026 · Assigned by WPScan

CVE-2026-87759Add User Autocomplete < 1.2 - Subscriber+ Privilege Escalation

High 8.8

In plain English

A high-severity privilege mismanagement in Add User Autocomplete from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 63.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Unknown Add User Autocomplete 0 – before 1.2

Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References