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CVE-2026-16734— Stripe Payment Forms by WP Full Pay < 8.5.2 - Unauthenticated Payment Intent Amount Manipulation

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.

WordPress Stripe Payment Forms by WP Full Pay是WordPress基金会开源的一个网站支付表单组件。 WordPress Stripe Payment Forms by WP Full Pay 8.5.2之前版本存在授权问题漏洞，该漏洞源于未验证调用者是否拥有Stripe支付意图，导致未认证访问者利用公开页面嵌入的nonce更改支付金额。

AI Predicted 7.5 Difficulty: Easy EPSS 0.35% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Stripe Payment Forms by WP Full Pay < 8.5.2 affected
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I. Basic Information for CVE-2026-16734

Vulnerability Information
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Vulnerability Title
Stripe Payment Forms by WP Full Pay < 8.5.2 - Unauthenticated Payment Intent Amount Manipulation
Source: CVE Program / CVE List V5
Vulnerability Description
The Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.2 does not verify that the caller owns the Stripe payment intent referenced by two unauthenticated payment-form AJAX actions, allowing an unauthenticated visitor — using a nonce that is embedded in every public page containing a payment form — to change the amount of a payment intent that the Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.2 then updates server-side through the Stripe API with the store's secret key. An ownership check added in 8.5.0 was applied to only one payment-intent handler, leaving the pricing-recalculation and payment-intent-update actions unprotected against amount manipulation.
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
Vulnerability Title
WordPress Stripe Payment Forms by WP Full Pay 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Stripe Payment Forms by WP Full Pay是WordPress基金会开源的一个网站支付表单组件。 WordPress Stripe Payment Forms by WP Full Pay 8.5.2之前版本存在授权问题漏洞，该漏洞源于未验证调用者是否拥有Stripe支付意图，导致未认证访问者利用公开页面嵌入的nonce更改支付金额。
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

Vendor Product Affected Versions CPE Subscribe
Unknown Stripe Payment Forms by WP Full Pay 0 ~ 8.5.2 -

II. Public POCs for CVE-2026-16734

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III. Intelligence Information for CVE-2026-16734

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Vendor Advisories for CVE-2026-16734 (1)

Same Patch Batch · Unknown · 2026-08-06 · 49 CVEs total

CVE-2026-11976 10.0 CRITICAL MonsterInsights Pro 10.2.0/10.2.2 - Backdoored via AWS S3 bucket compromise
CVE-2026-14812 10.0 CRITICAL Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)
CVE-2026-17032 9.8 CRITICAL Supsystic Multiple Pro Plugins - Backdoor via Compromised Vendor Update Server
CVE-2026-3430 8.6 HIGH Creative Mail 1.6.5 - 1.6.9 - Unauthenticated SQLi
CVE-2026-10599 7.5 HIGH Integrate PhonePe with WooCommerce <= 1.2.1 - Unauthenticated Payment Bypass via Transacti
CVE-2026-12584 7.5 HIGH Payment Gateway for Redsys & WooCommerce Lite < 7.0.2 - Unauthenticated Payment Confirmati
CVE-2026-13399 7.5 HIGH Payment Plugins for PayPal WooCommerce < 2.0.20 - Unauthenticated Payment Bypass via Reuse
CVE-2026-10524 7.5 HIGH CoCart < 4.9.0 - Unauthenticated Arbitrary Price Manipulation
CVE-2026-16620 7.5 HIGH WPC Name Your Price for WooCommerce < 2.2.5 - Unauthenticated Price Manipulation via Selec
CVE-2026-16619 7.5 HIGH miniOrange 2FA < 6.2.8 - 2FA Bypass via Unlimited Second-Factor Attempts
CVE-2026-5336 6.8 MEDIUM Dataverse Integration < 2.91 - Contributor+ Server-Side Template Injection (SSTI) to Infor
CVE-2026-12901 5.9 MEDIUM GetPaid < 2.8.55 - Unauthenticated Worldpay Payment Bypass via Insufficient IPN Verificati
CVE-2026-11361 5.9 MEDIUM Formidable Forms < 6.32.1 - Unauthenticated Payment Bypass via PayPal APPROVAL_PENDING Sub
CVE-2026-15152 5.3 MEDIUM WP Hotel Booking < 2.3.2 - Unauthenticated PayPal Payment Bypass
CVE-2026-14831 5.3 MEDIUM Easy Booking < 3.5.0 - Unauthenticated Minimum Booking Duration Bypass
CVE-2026-13342 5.3 MEDIUM Security Optimizer – The All-In-One Protection Plugin < 1.6.5 - Login Access IP Allowlist
CVE-2026-15149 5.3 MEDIUM WP Hotel Booking < 2.3.3 - Unauthenticated Payment Bypass via Price Manipulation
CVE-2026-16067 5.3 MEDIUM Event Booking Manager for WooCommerce (Pro) < 5.0.3 - Unauthenticated Payment Bypass via C
CVE-2026-15147 5.3 MEDIUM Five Star Restaurant Reservations < 2.7.23 - Unauthenticated Payment Bypass and Booking Co
CVE-2026-15208 5.3 MEDIUM RegistrationMagic < 6.0.9.5 - Unauthenticated Payment Bypass via Amount-Blind PayPal Verif

Showing top 20 of 49 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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