CVE-2026-104398 PUBLISHED

WordPress AFFI – Affiliate Marketing for WooCommerce plugin <= 1.0.10 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 02.10.2026 Published: 10.10.2026 Updated: 11.10.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	VillaTheme
Product	AFFI – Affiliate Marketing for WooCommerce
Versions	Default: unaffected affected from 0 to 1.0.10 (incl.)

Solutions

Update the WordPress AFFI – Affiliate Marketing for WooCommerce plugin to the latest available version (at least 1.0.11).

Credits

V1T | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/affi-affiliate-marketing-for-woo/vulnerability/wordpress-affi-affiliate-marketing-for-woocommerce-plugin-1-0-10-php-object-injection-vulnerability?_s_id=cve

Problem Types

Deserialization of Untrusted Data CWE

Impacts

Object Injection