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Vulnerability record · CVE-2026-87759 · published 12 September 2026

CVE-2026-87759: Improper privilege management vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.42% · top 66.5% CWE-269 · Improper privilege management Deferred
8.8CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
14 Sep 2026Last modified by NVD

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.

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

References

LinkTags
https://wpscan.com/vulnerability/41020730-c79a-43b4-a902-3a34fdca90d6/

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Source: NIST National Vulnerability Database (record CVE-2026-87759), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.