CVE-2026-16256

Pouco Import Users <= 1.0.0 - Unauthenticated Privilege Escalation

Published Aug 2, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
The POUCO Import Users WordPress plugin through 1.0.0 does not perform any capability or nonce checks on AJAX actions available to unauthenticated users that create and update WordPress accounts, and it trusts an attacker-supplied role value, allowing unauthenticated attackers to create a new administrator account and take over the site.

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 pouco Import Users
Vendors & Products Wordpress-extensions
Wordpress-extensions pouco Import Users
Type Values Removed Values Added
Weaknesses CWE-284
CWE-862
Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
CWE-862
Type Values Removed Values Added
Description The POUCO Import Users WordPress plugin through 1.0.0 does not perform any capability or nonce checks on AJAX actions available to unauthenticated users that create and update WordPress accounts, and it trusts an attacker-supplied role value, allowing unauthenticated attackers to create a new administrator account and take over the site.
Title Pouco Import Users <= 1.0.0 - Unauthenticated Privilege Escalation
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 5, 2026, 4:17 PM
Reserved
Jul 20, 2026, 8:25 AM
Status
Deferred
Published
Aug 2, 2026, 6:16 AM
Modified
Aug 26, 2026, 4:31 PM