0.0
NA
CVE-2026-87759
Add User Autocomplete < 1.2 - Subscriber+ Privilege Escalation
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.

INFO

Published Date :

Sept. 12, 2026, 6:16 a.m.

Last Modified :

Sept. 12, 2026, 6:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-87759 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update the Add User Autocomplete WordPress plugin to resolve privilege escalation.
  • Update the Add User Autocomplete plugin to a newer version.
  • Verify user roles and permissions after updating.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-87759.

URL Resource
https://wpscan.com/vulnerability/41020730-c79a-43b4-a902-3a34fdca90d6/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-87759 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-87759 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-87759 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-87759 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 12, 2026

    Action Type Old Value New Value
    Added 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.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/87xxx/CVE-2026-87759.json">CVE-2026-87759</a>
    Added Reference https://wpscan.com/vulnerability/41020730-c79a-43b4-a902-3a34fdca90d6/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.