CVE-2023-39990 MEDIUM

CVE-2023-39990: WordPress Paid Memberships Pro plugin <= 1.2.3 - Broken Access Control vulnerability

Vendor Paid Memberships Pro
Product Paid Memberships Pro
Weakness CWE-862 · Missing authorization
Published June 19, 2024
Last update April 28, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

Missing Authorization vulnerability in Paid Memberships Pro.This issue affects Paid Memberships Pro: from n/a through 1.2.3.

Explanation of Vulnerability in Simple Terms

02Summary

Paid Memberships Pro versions up to 1.2.3 lack proper authorization checks, allowing authenticated users to modify site data they should not have access to. An attacker with a low-privilege account can alter or delete content belonging to other users or the site itself. The vulnerability requires an existing user account but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Modify or delete site data and other users' content without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can alter or delete critical site content, membership data, or other users' information.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the site.

Key dates

06Disclosure timeline

June 19, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE