EUVD Vulnerability Catalog

EUVD-2026-119478

Severity: CRITICAL Base Score: 9.8 CVSS Version: 3.1

Vulnerability Description

The Userplace WordPress plugin through 1.2.0 does not perform authorization checks on an AJAX action available to unauthenticated users and publicly exposes the nonce that protects it, allowing unauthenticated attackers to create an administrator account or write arbitrary site options, leading to full site takeover.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Privileges Required (PR): None

▪ User Interaction (UI): None

▪ Scope (S): Unchanged

▪ Confidentiality Impact (C): High

▪ Integrity Impact (I): High

▪ Availability Impact (A): High

Affected Vendors & Systems

Vendor Unknown

References & Advisory Links

https://wpscan.com/vulnerability/c30f71d3-2ec4-4bee-8864-f7c19cf6fcb7/

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

WPScan

EPSS Probability

Known Aliases

GHSA-78p4-p67c-wwv7 CVE-2026-110963

Published On

2026-11-08

Last Updated

2026-11-08