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CVE-2026-80311— Stripe Payment Forms by WP Full Pay < 8.5.5 - Cross-Customer Subscription Cancellation via IDOR

Quick assessment

Affected
Unknown Stripe Payment Forms by WP Full Pay
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.

WP Full Pay 的 Stripe 支付表单 WordPress 插件在 8.5.5 版本之前，在取消订阅时，未验证该订阅是否属于与当前客户门户会话绑定的客户，因此拥有已确认门户会话的用户可以取消其他客户的订阅。 利用该漏洞需要攻击者知道目标订阅的标识符，而该标识符具有高熵值，且在 8.5.5 版本之前的 WP Full Pay Stripe 支付表单 WordPress 插件中不可枚举。

AI Predicted 4.6 Difficulty: Hard EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Stripe Payment Forms by WP Full Pay < 8.5.5 affected
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I. Basic Information for CVE-2026-80311

Vulnerability Information
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Vulnerability Title
Stripe Payment Forms by WP Full Pay < 8.5.5 - Cross-Customer Subscription Cancellation via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.5 does not verify that a subscription belongs to the customer bound to the requesting customer-portal session before cancelling it, allowing a user with a confirmed portal session to cancel subscriptions belonging to other customers. Exploitation requires the attacker to know the target subscription's identifier, which is high-entropy and not enumerable through the Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.5.
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 Stripe Payment Forms by WP Full Pay 0 ~ 8.5.5 -

II. Public POCs for CVE-2026-80311

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III. Intelligence Information for CVE-2026-80311

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Security Blog Posts for CVE-2026-80311 (1)

Same Patch Batch · Unknown · 2026-08-29 · 26 CVEs total

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CVE-2026-81346 Frontend Admin by DynamiApps < 3.29.11 - Subscriber+ Arbitrary Membership Plan Deletion
CVE-2026-81026 MasterStudy LMS < 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN
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CVE-2026-77704 Amelia 1.2.32 - 2.4.8 - Amelia Customer+ Appointment Status Update and Self-Approval
CVE-2026-77786 Rank Math SEO < 1.0.277 - Editor+ Core Settings Modification via fix-site-seo Ability
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CVE-2026-77010 HEL Online Classroom: AI-powered Online Classrooms <= 1.0.3 - Unauthenticated Moderator Jo
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CVE-2026-16259 Uix UserCenter <= 1.0.3 - Unauthenticated Privilege Escalation
CVE-2026-76548 Profile Builder < 4.0.1 - Unauthenticated Unpublished Content and Media Modification via F
CVE-2026-17520 Newsletters < 4.17 - Unauthenticated API Access via Predictable API Key
CVE-2026-17522 Newsletters < 4.17 - Arbitrary Plugin Option Update via CSRF
CVE-2026-76546 Profile Builder < 4.0.1 - Contributor+ Stored XSS via Format Date Shortcode
CVE-2026-19430 CatFolders Document Gallery Pro < 2.0.7 - Unauthenticated Missing Authorization via downlo
CVE-2026-18234 MStore API < 4.21.1 - Subscriber+ Arbitrary Order Payment Bypass via Wallet

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Stripe Payment Forms by WP Full Pay
Same vendor: Unknown

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