CVE-2026-25445 HIGH

CVE-2026-25445: WordPress WishList Member X plugin <= 3.29.0 - PHP Object Injection vulnerability

Vendor Membership Software
Product WishList Member X
Weakness CWE-502 · Unsafe deserialization
Published March 19, 2026
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Membership Software WishList Member X allows Object Injection.This issue affects WishList Member X: from n/a through 3.29.0.

Explanation of Vulnerability in Simple Terms

02Summary

WishList Member X versions up to 3.29.0 contain a deserialization vulnerability that allows authenticated users to execute arbitrary PHP code on the site. An attacker with a low-privilege account can craft malicious serialized data to trigger code execution without user interaction. This affects the core functionality of the membership plugin and poses a severe risk to site integrity and data confidentiality.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with the privileges of the web server.

Potential impact on your site

04Site Impact

Attackers with member accounts can compromise your entire site, steal data, and modify content.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account (e.g., subscriber or member role).

Key dates

06Disclosure timeline

March 19, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

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