CVE-2026-104398
Received Received - Intake

Deserialization of Untrusted Data in AFFI – Affiliate Marketing for WooCommerce

Publication date: 2026-10-10

Last updated on: 2026-10-10

Assigner: Patchstack

Description
Deserialization of Untrusted Data vulnerability in VillaTheme AFFI – Affiliate Marketing for WooCommerce affi-affiliate-marketing-for-woo allows Object Injection.This issue affects AFFI – Affiliate Marketing for WooCommerce: from n/a through 1.0.10.

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Meta Information

Published
2026-10-10
Last Modified
2026-10-10
Generated
2026-10-10
AI Q&A
2026-10-10
EPSS Evaluated
N/A
NVD
CVE-2026-104398
EUVD
EUVD-2026-96380

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
VillaTheme AFFI – Affiliate Marketing for WooCommerce 0

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

This is a PHP Object Injection vulnerability in the AFFI – Affiliate Marketing for WooCommerce plugin for WordPress. It allows attackers to inject malicious objects during deserialization, potentially leading to remote code execution or other harmful actions on the server.

Detection Guidance

To detect this vulnerability, check if the AFFI – Affiliate Marketing for WooCommerce plugin version 1.0.10 or lower is installed on your WordPress site. You can verify the plugin version via the WordPress admin panel under Plugins or by inspecting the plugin files on the server.

Impact Analysis

An attacker could exploit this to take control of your website, steal data, or use your server for malicious activities without needing authentication. The high CVSS score of 9.8 means it is easily exploitable and poses a severe risk.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and security. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Immediately update the AFFI plugin to version 1.0.11 or higher. If updating is not possible, apply the mitigation rule provided by Patchstack to block attacks until the update is applied. Alternatively, disable the plugin temporarily and contact your hosting provider or developer for assistance.

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