---
id: CVE-2026-87759
title: >-
  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
  subscri…
summary: >-
  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
  subscri…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-269
product: Add User Autocomplete
affected:
  - add_user_autocomplete < 1.2
published: '2026-09-12'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T21:10:17.423'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-87759'
references:
  - url: 'https://wpscan.com/vulnerability/41020730-c79a-43b4-a902-3a34fdca90d6/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00232
epssPercentile: 0.14341
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-12T15:18:07.230334Z'
ingestedAt: '2026-09-14T15:23:07.479Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.