CVE-2026-16256CWE-269privilege-escalation

CVE-2026-16256

Critical · published August 2, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00498 · 41.8th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-08-02T10:16Z
References (1)
EPSS history
Timeline
  • 02 AUG 06:00Z
    Pouco Import Users <= 1.0.0 - Unauthenticated Privilege Escalation
    cvelistv5