CVE-2026-103312

The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of incoming payment notifications on a stock install, because the callback's checksum is keyed on a merchant secret that is empty until it is manually configured, allowing an unauthenticated attacker to...

CVE-2026-116254

A vulnerability was identified in rathena FluxCP up to 98cd4b8fd83228c11b36fb3d097b8e0f7c105a8d. This issue affects the function verifyiprange of the file lib/Flux/PaymentNotifyRequest.php of the component PayPal IPN Handler. The manipulation of the argument X-Real-IP leads to origin validation...

CVE-2026-116254

A vulnerability exists in rathena FluxCP (up to version 98cd4b8fd83228c11b36fb3d097b8e0f7c105a8d) affecting the PayPal IPN Handler component. Specifically, the verifyiprange function in lib/Flux/PaymentNotifyRequest.php is susceptible to an origin validation error due to the manipulation of the X...

CVE-2026-116254 rathena FluxCP PayPal IPN PaymentNotifyRequest.php verifyiprange origin validation

A vulnerability was identified in rathena FluxCP up to 98cd4b8fd83228c11b36fb3d097b8e0f7c105a8d. This issue affects the function verifyiprange of the file lib/Flux/PaymentNotifyRequest.php of the component PayPal IPN Handler. The manipulation of the argument X-Real-IP leads to origin validation...

EUVD-2026-109707

A vulnerability was identified in rathena FluxCP up to 98cd4b8fd83228c11b36fb3d097b8e0f7c105a8d. This issue affects the function verifyiprange of the file lib/Flux/PaymentNotifyRequest.php of the component PayPal IPN Handler. The manipulation of the argument X-Real-IP leads to origin validation...

BlueSnap Payment Gateway for WooCommerce <=3.4.0 - IPN Authorization Bypass

BlueSnap Payment Gateway for WooCommerce = 3.4.0 validates its unauthenticated IPN webhook using WooCommerce's client-IP geolocation, which trusts spoofed forwarding headers instead of requiring a webhook signature. Version 3.4.1 replaces the IP check with HMAC-SHA256 security headers. This...

CVE-2026-104641 Simple Shopping Cart < 5.3.3 - Unauthenticated Payment Bypass via Unverified PayPal IPN Recipient

The Simple Shopping Cart WordPress plugin before 5.3.3 does not verify that a PayPal payment notification is for a payment received by the site owner's PayPal account in its default configuration, allowing unauthenticated attackers to have their orders marked as paid using a payment made to an...

CVE-2026-104641 Simple Shopping Cart < 5.3.3 - Unauthenticated Payment Bypass via Unverified PayPal IPN Recipient

The Simple Shopping Cart WordPress plugin before 5.3.3 does not verify that a PayPal payment notification is for a payment received by the site owner's PayPal account in its default configuration, allowing unauthenticated attackers to have their orders marked as paid using a payment made to an...

CVE-2026-104641

The Simple Shopping Cart WordPress plugin, version prior to 5.3.3 , is vulnerable to an unauthenticated payment bypass . In its default configuration, the plugin fails to verify that a PayPal IPN (Instant Payment Notification) corresponds to a payment received by the site owner's specific account...

CVE-2026-88998 Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN

The Tickera WordPress plugin before 3.6.0.4 does not correctly verify the integrity of incoming payment notifications, and the validated signature does not cover the order or the amount, allowing unauthenticated attackers to forge a payment confirmation and mark arbitrary orders as paid without...

CVE-2026-88998

The Tickera WordPress plugin, specifically versions prior to 3.6.0.4 , is vulnerable to an unauthenticated order payment bypass via 2Checkout IPN . The root cause is the plugin's failure to correctly verify the integrity of incoming payment notifications; specifically, the validated signature doe...

CVE-2026-88998 Tickera < 3.6.0.4 - Unauthenticated Order Payment Bypass via 2Checkout IPN

The Tickera WordPress plugin before 3.6.0.4 does not correctly verify the integrity of incoming payment notifications, and the validated signature does not cover the order or the amount, allowing unauthenticated attackers to forge a payment confirmation and mark arbitrary orders as paid without...

CVE-2026-108826

A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zendbperform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txnid results in sql injection. The attack can be initiated remotely. The...

CVE-2026-108826 Zen Cart PayPal IPN paypaldp.php zen_db_perform sql injection

A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zendbperform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txnid results in sql injection. The attack can be initiated remotely. The...

EUVD-2026-97330

A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zendbperform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txnid results in sql injection. The attack can be initiated remotely. The...

CVE-2026-108826

A SQL injection vulnerability exists in Zen Cart up to version 2.2.2 . The flaw is located in the PayPal IPN Handler component, specifically within the zen_db_perform function in the includes/modules/payment/paypaldp.php library. An attacker can initiate this attack remotely by manipulating the t...

CVE-2026-108826 Zen Cart PayPal IPN paypaldp.php zen_db_perform sql injection

A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zendbperform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txnid results in sql injection. The attack can be initiated remotely. The...

CVE-2026-108826: Improper Neutralization of Special Elements used in an SQL Command

A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zendbperform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txnid results in sql injection. The attack can be initiated remotely. The...

CVE-2026-14335

The Easy Digital Downloads – eCommerce Payments and Subscriptions made easy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via PayPal IPN Parameters in all versions up to, and including, 3.6.9 due to insufficient input sanitization and output escaping. This makes it possible fo...

CVE-2026-14335 Easy Digital Downloads <= 3.6.9 - Unauthenticated Stored Cross-Site Scripting via PayPal IPN Parameters

The Easy Digital Downloads – eCommerce Payments and Subscriptions made easy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via PayPal IPN Parameters in all versions up to, and including, 3.6.9 due to insufficient input sanitization and output escaping. This makes it possible fo...