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CVE-2026-89100— Payment Plugins for Stripe WooCommerce <= 4.0.17 - Reflected DOM-Based Cross-Site Scripting via '#response' URL Fragment

Quick assessment

Affected
paymentplugins Payment Plugins for Stripe 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 Stripe WooCommerce 支付插件（所有版本直至包括 4.0.17 版）存在反射型跨站脚本漏洞（Reflected Cross-Site Scripting, XSS）。该漏洞源于对 URL 片段中 “#response” 部分的输入清理不足和输出转义缺失。攻击者无需认证即可在页面中注入任意 Web 脚本，当用户访问被注入的页面时，脚本将自动执行。 利用此漏洞的前提条件是：必须取消勾选“通用错误”（Generic Errors）设置。在该设置未启用时，getErrorMessag

CVSS 6.1 · Medium EPSS 0.21% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
paymentplugins Payment Plugins for Stripe WooCommerce ≤ 4.0.17 affected
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I. Basic Information for CVE-2026-89100

Vulnerability Information
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Vulnerability Title
Payment Plugins for Stripe WooCommerce <= 4.0.17 - Reflected DOM-Based Cross-Site Scripting via '#response' URL Fragment
Source: CVE Program / CVE List V5
Vulnerability Description
The Payment Plugins for Stripe WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via '#response' URL Fragment in all versions up to, and including, 4.0.17 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. Exploitation requires that the 'Generic Errors' setting is unchecked, causing getErrorMessage() to return the raw Stripe error string unchanged rather than substituting a mapped safe message.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
paymentplugins Payment Plugins for Stripe WooCommerce 0 ~ 4.0.17 -

II. Public POCs for CVE-2026-89100

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III. Intelligence Information for CVE-2026-89100

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Patches & Fixes for CVE-2026-89100 (2)

Vendor Advisories for CVE-2026-89100 (1)

Other References for CVE-2026-89100 (1)

IV. Related Vulnerabilities

Same product: Payment Plugins for Stripe WooCommerce
Same vendor: paymentplugins
Same weakness: CWE-79

V. Comments for CVE-2026-89100

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