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CVE-2026-4100— Paid Memberships Pro <= 3.6.5 - Missing Authorization to Authenticated (Subscriber+) Stripe Webhook Deletion and Payment Processing Disruption

CVSS 7.1 · High EPSS 0.04% · P12
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I. Basic Information for CVE-2026-4100

Vulnerability Information
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Vulnerability Title
Paid Memberships Pro <= 3.6.5 - Missing Authorization to Authenticated (Subscriber+) Stripe Webhook Deletion and Payment Processing Disruption
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Paid Memberships Pro plugin for WordPress is vulnerable to unauthorized modification and disruption of Stripe webhook configuration in all versions up to, and including, 3.6.5. This is due to missing capability checks on the `wp_ajax_pmpro_stripe_create_webhook`, `wp_ajax_pmpro_stripe_delete_webhook`, and `wp_ajax_pmpro_stripe_rebuild_webhook` AJAX handlers. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete, create, or rebuild the site's Stripe webhook, disrupting all payment processing, subscription renewal synchronization, cancellation handling, and failed payment management.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Paid Memberships Pro 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Paid Memberships Pro 3.6.5及之前版本存在安全漏洞，该漏洞源于对AJAX处理程序缺少权限检查，可能导致经过身份验证的攻击者删除、创建或重建站点的Stripe webhook，从而中断所有支付处
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
strangerstudiosPaid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions 0 ~ 3.6.5 -

II. Public POCs for CVE-2026-4100

#POC DescriptionSource LinkShenlong Link
AI-Generated POCVerified env Premium
claude_code · 4451 chars
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III. Intelligence Information for CVE-2026-4100

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IV. Related Vulnerabilities

Same product: Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions
Same vendor: strangerstudios
Same weakness: CWE-862

V. Comments for CVE-2026-4100

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