CVE-2026-82215 WC PayPay Gateway 0.5 - 0.9.3 - Unauthenticated Payment Bypass via Unverified Webhook

The Payment Gateway PayPay for WooCommerce WordPress plugin from 0.5 to 0.9.3 does not verify the authenticity of the payment notifications it receives before acting on them, allowing unauthenticated attackers who know the store's merchant identifier to mark arbitrary orders as paid, or to cancel...

CVE-2026-12501 WP Travel Engine < 6.8.2 - Unauthenticated Payment Bypass via Missing PayPal IPN Receiver and Amount Verification

The WP Travel Engine WordPress plugin before 6.8.2 does not verify that an incoming PayPal payment notification was sent to the site's configured merchant account, nor that the paid amount matches the order total, before marking a booking as paid, allowing unauthenticated attackers to mark bookin...

WordPress Eventin plugin < 4.1.16 - Unauthenticated Payment Bypass vulnerability

Unauthenticated Payment Bypass vulnerability discovered by Haitam Lazaar in WordPress Plugin WP Event SOlution versions 4.1.16...

CVE-2026-14830 FlxWoo < 3.1.1 - Unauthenticated Payment Bypass

The FlxWoo WordPress plugin before 3.1.1 does not verify with the payment processor that a checkout session was actually paid before marking the associated order as paid, allowing unauthenticated attackers to complete WooCommerce orders without paying...

WordPress ProfileGrid plugin < 5.9.9.7 - Unauthenticated Payment Bypass and Forced Group Membership vulnerability

Unauthenticated Payment Bypass and Forced Group Membership vulnerability discovered by Revanth Hari Narayana Matte in WordPress Plugin ProfileGrid versions 5.9.9.7...

CVE-2026-42341 FOSSBilling has an unauthenticated payment bypass via IPN callback forgery

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark any unpaid invoice as paid and credit...

CVE-2026-42341

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark any unpaid invoice as paid and credit...

WordPress User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin <= 5.2.0 - Missing Authorization to Unauthenticated Payment Bypass vulnerability

Missing Authorization to Unauthenticated Payment Bypass vulnerability discovered by Supakiad S. m3ez - E-CQURITY Thailand in WordPress Plugin User Registration versions = 5.2.0...

CVE-2025-14444

CVE-2025-14444 – RegistrationMagic for WordPress has a payment bypass vulnerability in the process_paypal_sdk_payment path. The issue arises from trusting client-supplied payment data without validating that PayPal payment actually completed, enabling unauthenticated users to activate registratio...

CVE-2025-14757 Cost Calculator Builder <= 3.6.9 - Missing Authorization to Unauthenticated Payment Status Bypass

The Cost Calculator Builder plugin for WordPress is vulnerable to Unauthenticated Payment Status Bypass in all versions up to, and including, 3.6.9 only when used in combination with Cost Calculator Builder PRO. This is due to the completepayment AJAX action being registered via wpajaxnopriv,...

CVE-2025-12883: Authorization Bypass Through User-Controlled Key

The Campay Woocommerce Payment Gateway plugin for WordPress is vulnerable to Unauthenticated Payment Bypass in all versions up to, and including, 1.2.2. This is due to the plugin not properly validating that a transaction has occurred through the payment gateway. This makes it possible for...

WordPress SKT PayPal for WooCommerce plugin <= 1.4 - Unauthenticated Payment Bypass vulnerability

Unauthenticated Payment Bypass vulnerability discovered by ch4r0n - FPT Software in WordPress Plugin SKT PayPal for WooCommerce versions = 1.4...

CVE-2024-2382 Authorize.net Payment Gateway For WooCommerce <= 8.0 - Insufficient Verification of Data Authenticity to Unauthenticated Payment Bypass

The Authorize.net Payment Gateway For WooCommerce plugin for WordPress is vulnerable to payment bypass in all versions up to, and including, 8.0. This is due to the plugin not properly verifying the authenticity of the request that updates a orders payment status. This makes it possible for...