CVE-2026-25445
Received Received - Intake
Deserialization Object Injection in WishList Member X Allows Exploitation

Publication date: 2026-03-19

Last updated on: 2026-04-28

Assigner: Patchstack

Description
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.
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Meta Information
Published
2026-03-19
Last Modified
2026-04-28
Generated
2026-06-16
AI Q&A
2026-03-19
EPSS Evaluated
2026-06-15
NVD
CVE-2026-25445
EUVD
EUVD-2026-13083
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
wishlist_member_x wishlist_member_x From 3.0.0 (inc) to 3.29.0 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

CVE-2026-25445 is a PHP Object Injection vulnerability found in the WordPress WishList Member X Plugin versions up to and including 3.29.0. This vulnerability allows attackers to inject malicious objects into the application by exploiting deserialization of untrusted data.

Exploiting this flaw can enable attackers to perform various malicious actions such as code injection, SQL injection, path traversal, and denial of service attacks, provided they can use a suitable Property Oriented Programming (POP) chain.

The vulnerability requires only subscriber-level privileges to exploit and is classified under the OWASP Top 10 category A3: Injection.

Impact Analysis

This vulnerability can have severe impacts including unauthorized code execution, data breaches through SQL injection, unauthorized file access via path traversal, and service disruption through denial of service attacks.

Because the vulnerability has a high CVSS score of 8.8, it is considered highly dangerous and likely to be exploited in widespread attacks targeting many websites.

If exploited, it can compromise the confidentiality, integrity, and availability of your website and its data.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

The vulnerability affects WishList Member X plugin versions up to and including 3.29.0 and allows PHP Object Injection, which can lead to severe impacts such as code injection, SQL injection, path traversal, and denial of service.

Since no official patch has been released as of March 18, 2026, immediate mitigation steps include:

  • Update the WishList Member X plugin to a version newer than 3.29.0 as soon as an official patch becomes available.
  • Apply the mitigation rule provided by Patchstack to block attacks exploiting this vulnerability until an official patch is released.
  • Seek assistance from your hosting provider or web developer if you are unable to update the plugin immediately.
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