CVE-2026-16256
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductPOUCO Import Users
PublishedAug 2, 2026
First seenAug 2, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| POUCO Import Users | v ≤ 1.0.0 | — |
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