CVE-2023-27459

WordPress User Registration plugin <= 2.3.2.1 - Authenticated PHP Object Injection vulnerability

Published Mar 26, 2024 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in WPEverest User Registration.This issue affects User Registration: from n/a through 2.3.2.1.

Remediation

Vendor Solution

Update to 2.3.3 or a higher version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-31235 Deserialization of Untrusted Data vulnerability in WPEverest User Registration.This issue affects User Registration: from n/a through 2.3.2.1.
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in WPEverest User Registration.This issue affects User Registration: from n/a through 2.3.2.1. Deserialization of Untrusted Data vulnerability in WPEverest User Registration.This issue affects User Registration: from n/a through 2.3.2.1.
Type Values Removed Values Added
First Time appeared Wpeverest user Registration \& Membership
CPEs cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:free:wordpress:*:*
Vendors & Products Wpeverest user Registration \& Membership
Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:08 PM
Reserved
Mar 1, 2023, 2:31 PM
Status
Modified
Published
Mar 26, 2024, 8:15 PM
Modified
Jun 17, 2026, 5:45 AM