WordPress WP Express Checkout plugin < 2.4.9 - Unauthenticated Payment Bypass via wpec_process_payment vulnerability

Unauthenticated Payment Bypass via wpecprocesspayment vulnerability discovered by Amity Gilmour in WordPress Plugin WP Express Checkout Accept PayPal Payments versions 2.4.9...

WordPress WP Express Checkout plugin < 2.5.0 - Unauthenticated Payment Bypass vulnerability

Unauthenticated Payment Bypass vulnerability discovered by ryan zegar in WordPress Plugin WP Express Checkout Accept PayPal Payments versions 2.5.0...

CVE-2026-83537

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83537 WP Express Checkout < 2.5.0 - Unauthenticated Payment Bypass via wpec_process_empty_payment

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83537

The WP Express Checkout WordPress plugin before 2.5.0 is vulnerable to an unauthenticated payment bypass via the wpec_process_empty_payment function. The root cause is the absence of server-side verification that a payment was actually completed before marking an order as paid, allowing unauthent...

EUVD-2026-74723

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83537 WP Express Checkout < 2.5.0 - Unauthenticated Payment Bypass via wpec_process_empty_payment

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

PT-2026-88880

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83537: Insufficient Verification of Data Authenticity

The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83533

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

EUVD-2026-70046

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83533 WP Express Checkout < 2.4.9 - Unauthenticated Payment Bypass via wpec_process_payment

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83533 WP Express Checkout < 2.4.9 - Unauthenticated Payment Bypass via wpec_process_payment

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83533

WP Express Checkout WordPress plugin before 2.4.9 contains an unauthenticated payment bypass in the wpec_process_payment handler. The plugin does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order...

PT-2026-84751

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-83533: Insufficient Verification of Data Authenticity

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying...

CVE-2026-9618: Cross-Site Request Forgery (CSRF)

The PeachPay — Payments & Express Checkout for WooCommerce supports Stripe, PayPal, Square, Authorize.net, NMI plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.120.46. This is due to missing or incorrect nonce validation on the...

CVE-2025-14978: Missing Authorization

The PeachPay — Payments & Express Checkout for WooCommerce supports Stripe, PayPal, Square, Authorize.net plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability checks on the ConvesioPay webhook REST endpoint in all versions up to, and including,...

Account Takeover

prestashop/pscheckout is vulnerable to Account takeover. The vulnerability is due to missing validation in the Express Checkout feature, which allows an attacker to silently authenticate using a victim’s email address and take over the account...

CVE-2025-61922

PrestaShop Checkout is the PrestaShop official payment module in partnership with PayPal. Starting in version 1.3.0 and prior to versions 4.4.1 and 5.0.5, missing validation on the Express Checkout feature allows silent login, enabling account takeover via email. The vulnerability is fixed in...