CVE-2023-40608 HIGH

CVE-2023-40608: WordPress Paid Memberships Pro CCBill Gateway plugin <= 0.3 - Unauthenticated Broken Access Control vulnerability

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

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Paid Memberships Pro Paid Memberships Pro CCBill Gateway.This issue affects Paid Memberships Pro CCBill Gateway: from n/a through 0.3.

Explanation of Vulnerability in Simple Terms

02Summary

The CCBill Gateway add-on for Paid Memberships Pro lacks proper authorization checks on sensitive operations. An attacker without authentication can modify membership data or disrupt service availability. The vulnerability affects versions up to 0.3 and requires no user interaction. Site administrators should update immediately to a patched version.

What an attacker can do

03Attacker Capabilities

Modify membership records or cause the site to become unavailable without logging in.

Potential impact on your site

04Site Impact

Membership data could be altered or deleted, and the site may experience downtime without warning.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

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

Related vulnerabilities

08Related CVE