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

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...

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 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 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-2026-14335

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

The Easy Digital Downloads WordPress plugin (versions 3.6.9 and below ) is vulnerable to Unauthenticated Stored Cross-Site Scripting (XSS) . The root cause is insufficient input sanitization and output escaping specifically within PayPal IPN Parameters . This allows unauthenticated attackers to i...

EUVD-2026-96116

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...

CVE-2026-84044 Restaurant Menu and Food Ordering < 2.4.12 - Unauthenticated Payment Bypass via Forged PayPal IPN

The Restaurant Menu and Food Ordering WordPress plugin before 2.4.12 does not verify that a PayPal payment notification genuinely originates from PayPal, allowing unauthenticated attackers to forge a payment notification and mark their own order as paid and completed without making any payment...

CVE-2026-84044

The Restaurant Menu and Food Ordering WordPress plugin before 2.4.12 fails to verify that a PayPal Instant Payment Notification (IPN) genuinely originates from PayPal. This allows unauthenticated attackers to forge a payment notification and mark their own order as paid and completed without maki...

CVE-2026-84044 Restaurant Menu and Food Ordering < 2.4.12 - Unauthenticated Payment Bypass via Forged PayPal IPN

The Restaurant Menu and Food Ordering WordPress plugin before 2.4.12 does not verify that a PayPal payment notification genuinely originates from PayPal, allowing unauthenticated attackers to forge a payment notification and mark their own order as paid and completed without making any payment...

CVE-2026-77999

Joomla Extension - j2commerce.com - Unauthenticated PayPal callback forgery leading to order confirmation fraud in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - The PayPal IPN listener's signature check validateIPN accepted UNVERIFIED and any non-INVALID response as valid, made its verificati...

CVE-2026-77999

J2Store (Joomla extension by j2commerce.com) versions 1.0.0–3.3.21, 4.0.0–4.0.21, and 4.1.0–4.1.6 contain an unauthenticated PayPal callback forgery vulnerability. The IPN listener's signature check (_validateIPN()) treated UNVERIFIED and any non-INVALID response as valid, issued verification wit...

EUVD-2026-70415

Joomla Extension - j2commerce.com - Unauthenticated PayPal callback forgery leading to order confirmation fraud in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - The PayPal IPN listener's signature check validateIPN accepted UNVERIFIED and any non-INVALID response as valid, made its verificati...

CVE-2026-77999: External Control of Assumed-Immutable Web Parameter

Joomla Extension - j2commerce.com - Unauthenticated PayPal callback forgery leading to order confirmation fraud in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - The PayPal IPN listener's signature check validateIPN accepted UNVERIFIED and any non-INVALID response as valid, made its verificati...

PT-2026-85010

Joomla Extension - j2commerce.com - Unauthenticated PayPal callback forgery leading to order confirmation fraud in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6 - The PayPal IPN listener's signature check validateIPN accepted UNVERIFIED and any non-INVALID response as valid, made its verificati...

CVE-2026-81026 MasterStudy LMS < 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.40 does not verify the amount, receiver, currency or status of a payment notification before marking the corresponding order completed, allowing unauthenticated users to complete full-price orders and gain access to paid content by...

CVE-2026-81026 MasterStudy LMS < 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.40 does not verify the amount, receiver, currency or status of a payment notification before marking the corresponding order completed, allowing unauthenticated users to complete full-price orders and gain access to paid content by...

CVE-2026-81026

The MasterStudy LMS WordPress Plugin (versions before 3.7.40 ) is vulnerable to an Unauthenticated Payment Bypass via PayPal IPN. The plugin fails to verify the amount, receiver, currency, or status of a payment notification before marking an order as completed. This allows unauthenticated users ...