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CVE-2026-104398— WordPress AFFI – Affiliate Marketing for WooCommerce plugin <= 1.0.10 - PHP Object Injection vulnerability

Quick assessment

Affected
VillaTheme AFFI – Affiliate Marketing for WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

漏洞描述：VillaTheme AFFI – Affiliate Marketing for WooCommerce (affi-affiliate-marketing-for-woo) 插件存在反序列化不可信数据漏洞，可导致对象注入。该漏洞影响 AFFI – Affiliate Marketing for WooCommerce 插件的 n/a 至 1.0.10 版本。

CVSS 9.8 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
VillaTheme AFFI – Affiliate Marketing for WooCommerce ≤ 1.0.10 affected
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I. Basic Information for CVE-2026-104398

Vulnerability Information
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Vulnerability Title
WordPress AFFI – Affiliate Marketing for WooCommerce plugin <= 1.0.10 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
VillaTheme AFFI – Affiliate Marketing for WooCommerce 0 ~ 1.0.10 -

II. Public POCs for CVE-2026-104398

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III. Intelligence Information for CVE-2026-104398

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News Coverage for CVE-2026-104398 (1)

Same Patch Batch · VillaTheme · 2026-10-10 · 5 CVEs total

CVE-2026-103071 7.5 HIGH WordPress Thank You Page Customizer for WooCommerce plugin <= 1.2.3 - Content Injection vu
CVE-2026-100161 7.2 HIGH Photo Reviews for WooCommerce <= 1.2.30 - Unauthenticated Stored DOM-Based Cross-Site Scri
CVE-2026-103357 6.9 MEDIUM WordPress GIFT4U plugin <= 1.1.3 - Broken Access Control vulnerability
CVE-2026-103685 4.3 MEDIUM WordPress ALD – Dropshipping and Fulfillment for AliExpress and WooCommerce plugin <= 2.2.

IV. Related Vulnerabilities

Same product: AFFI – Affiliate Marketing for WooCommerce
Same vendor: VillaTheme
Same weakness: CWE-502

V. Comments for CVE-2026-104398

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