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CVE-2026-74991— WPForms Lite 1.8.8.2 - 2.0.1.1 - Unauthenticated Stripe Refund and Subscription Cancellation via External PaymentIntent

Quick assessment

Affected
Unknown WPForms
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.

在版本低于 2.0.2 的 WPForms WordPress 插件中，插件在处理通过公开表单提交的支付请求时，未验证所提供的 Stripe 支付对象是否确实属于该插件本身。这种验证缺失使得未认证的用户能够触发对站点所有者 Stripe 账户下由其他应用创建的支付的完全退款，并立即取消相关订阅。

EPSS 0.18% · P7
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I. Basic Information for CVE-2026-74991

Vulnerability Information
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Vulnerability Title
WPForms Lite 1.8.8.2 - 2.0.1.1 - Unauthenticated Stripe Refund and Subscription Cancellation via External PaymentIntent
Source: CVE Program / CVE List V5
Vulnerability Description
The WPForms WordPress plugin before 2.0.2 does not verify that a Stripe payment object supplied during a public form submission belongs to it before acting on it, allowing unauthenticated users to trigger a full refund and an immediate subscription cancellation against payments created by other applications on the site owner's Stripe account.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown WPForms 1.8.8.2 ~ 2.0.2 -

II. Public POCs for CVE-2026-74991

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III. Intelligence Information for CVE-2026-74991

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Other References for CVE-2026-74991 (1)

Same Patch Batch · Unknown · 2026-09-24 · 16 CVEs total

CVE-2026-93662 Events Manager 7.4.1 - 7.4.4 - Subscriber+ Unpublished Event and Location Disclosure via '
CVE-2026-93661 Events Manager < 7.4.5 - Contributor+ Arbitrary Ticket Overwrite via IDOR
CVE-2026-88847 MasterStudy LMS < 3.7.50 - Subscriber+ Lesson Completion Record Creation
CVE-2026-89004 WPeMatico RSS Feed Fetcher < 2.8.26 - Contributor+ Campaign Configuration and Log Disclosu
CVE-2026-89005 WPeMatico RSS Feed Fetcher < 2.8.26 - Contributor+ Stored XSS via Word to Category
CVE-2026-89002 WPeMatico RSS Feed Fetcher < 2.8.26 - Contributor+ Stored XSS via Campaign Item Preview
CVE-2026-88843 MasterStudy LMS 3.5.29 - < 3.7.50 - Contributor+ LFI via Elementor Courses Categories Widg
CVE-2026-88846 MasterStudy LMS 2.3.0 - < 3.7.50 - Unauthenticated Account Creation with Registration Disa
CVE-2026-88845 MasterStudy LMS 2.3.0 - < 3.7.50 - Subscriber+ Course and Lesson Creation via Demo Import
CVE-2026-82195 10Web Booster < 2.34.0 - Unauthenticated Connection Secret Disclosure and Deletion
CVE-2026-82850 Masteriyo LMS < 3.4.2 - Subscriber+ Quiz Answer Key Disclosure
CVE-2026-82849 Masteriyo LMS < 3.4.2 - Subscriber+ Arbitrary User Course Progress Disclosure via IDOR
CVE-2026-84151 The Post Grid < 7.9.5 - Contributor+ Stored HTML/iframe Injection via wp_kses_post Allow-L
CVE-2026-80338 CMB2 < 2.13.0 - Subscriber+ Arbitrary Option Corruption via oEmbed Handler
CVE-2026-80513 wpForo Forum < 3.1.6 - Subscriber+ PHP Object Injection via Profile Fields

IV. Related Vulnerabilities

Same product: WPForms
Same vendor: Unknown

V. Comments for CVE-2026-74991

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