CVE-2026-87759

Add User Autocomplete < 1.2 - Subscriber+ Privilege Escalation

Published Sep 12, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions add User Autocomplete
Vendors & Products Wordpress-extensions
Wordpress-extensions add User Autocomplete
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-269
CWE-284
Type Values Removed Values 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.
Title Add User Autocomplete < 1.2 - Subscriber+ Privilege Escalation
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 12, 2026, 3:30 PM
Reserved
Sep 9, 2026, 7:22 AM
Status
Deferred
Published
Sep 12, 2026, 6:16 AM
Modified
Sep 14, 2026, 9:10 PM