CVE-2026-93836— WPC Product Bundles for WooCommerce <= 8.6.6 - Unauthenticated Stored Cross-Site Scripting via 'qty' Parameter
Quick assessment
Affected
wpclever WPC Product Bundles 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.
WordPress 的 WPC Product Bundles for WooCommerce 插件在 8.6.6 及以下所有版本中，由于输入数据过滤不足以及输出时缺乏转义处理，存在存储型跨站脚本（Stored XSS）漏洞。该漏洞受 'qty' 参数影响，允许未经身份验证的攻击者在页面中注入任意 Web 脚本，当任何用户访问被注入的页面时，这些脚本将被执行。 在数量验证过程中使用的浮点数强制类型转换（float cast）使得以数字开头的恶意载荷（例如 '1<img src=x onerror=...>'）能够通
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wpclever | WPC Product Bundles for WooCommerce | ≤ 8.6.6 |
affected |
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I. Basic Information for CVE-2026-93836
Vulnerability Information
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Vulnerability Title
WPC Product Bundles for WooCommerce <= 8.6.6 - Unauthenticated Stored Cross-Site Scripting via 'qty' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The WPC Product Bundles for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'qty' parameter in all versions up to, and including, 8.6.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The float cast used during quantity validation allows a numeric-prefixed payload such as '1<img src=x onerror=...>' to pass validation while retaining its malicious HTML, which is then stored verbatim in order item metadata under the '_woosb_ids' key.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 |
|---|---|---|---|---|
| wpclever | WPC Product Bundles for WooCommerce | 0 ~ 8.6.6 | - |
|
II. Public POCs for CVE-2026-93836
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-93836 (2)
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V. Comments for CVE-2026-93836
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