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CVE-2026-109988— Product Addons for Woocommerce <= 3.1.8 - Authenticated (Shop Manager+) Stored Cross-Site Scripting via 'type' Field Parameter

Quick assessment

Affected
acowebs Product Addons for Woocommerce – Product Options with Custom Fields
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.

WordPress 的"The Product Addons for Woocommerce – Product Options with Custom Fields"插件在所有 3.1.8 及更早版本中存在存储型跨站脚本（Stored XSS）漏洞。该漏洞源于对 参数的输入过滤不足以及输出转义缺失。具备商店管理员及以上权限的已认证攻击者可利用此漏洞，在页面中注入任意 Web 脚本；当其他用户访问被注入的页面时，这些脚本将被执行。

CVSS 4.4 · Medium

Possible ATT&CK Techniques 1 AI

T1193
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I. Basic Information for CVE-2026-109988

Vulnerability Information
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Vulnerability Title
Product Addons for Woocommerce <= 3.1.8 - Authenticated (Shop Manager+) Stored Cross-Site Scripting via 'type' Field Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Product Addons for Woocommerce – Product Options with Custom Fields plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'fields[section][fields][row][col][type]' parameter in all versions up to, and including, 3.1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with shop manager-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
acowebs Product Addons for Woocommerce – Product Options with Custom Fields 0 ~ 3.1.8 -

II. Public POCs for CVE-2026-109988

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III. Intelligence Information for CVE-2026-109988

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Other References for CVE-2026-109988 (8)

IV. Related Vulnerabilities

Same product: Product Addons for Woocommerce – Product Options with Custom Fields
Same vendor: acowebs
Same weakness: CWE-79