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CVE-2026-93370— Paystack WooCommerce Payment Gateway <= 5.8.5 - Unauthenticated Sensitive Information Exposure in 'key' Parameter on order-pay Endpoint

Quick assessment

Affected
paystack Paystack WooCommerce Payment Gateway
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 Paystack WooCommerce 支付网关插件在所有 5.8.5 及以下版本中，存在敏感信息泄露漏洞，攻击面位于 参数。该漏洞允许未认证的攻击者通过枚举连续订单 ID，利用 将嵌入页面 HTML 中的客户个人身份信息（PII）提取出来，泄露内容包括：账单姓名、电子邮件地址、电话号码、账单地址、收货地址以及所购商品列表。此漏洞仅在商户于 Paystack 网关设置中启用了可选的自定义元数据功能时才可被利用。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-93370

Vulnerability Information
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Vulnerability Title
Paystack WooCommerce Payment Gateway <= 5.8.5 - Unauthenticated Sensitive Information Exposure in 'key' Parameter on order-pay Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The Paystack WooCommerce Payment Gateway plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 5.8.5 via the 'key' parameter. This makes it possible for unauthenticated attackers to extract customer PII — including billing name, email address, phone number, billing address, shipping address, and purchased product list — embedded into page HTML via wp_localize_script by enumerating sequential order IDs. This is only exploitable when the merchant has enabled the optional custom metadata feature in the Paystack gateway settings.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
paystack Paystack WooCommerce Payment Gateway 0 ~ 5.8.5 -

II. Public POCs for CVE-2026-93370

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III. Intelligence Information for CVE-2026-93370

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Other References for CVE-2026-93370 (6)

IV. Related Vulnerabilities

Same vendor: paystack
Same weakness: CWE-200