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 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

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-2026-73475

Incorrect Authorization vulnerability in Drupal Commerce PayPal allows Forceful Browsing. This issue affects Commerce PayPal versions: from 0.0.0 to 1.12.0, from 2.0.0 to 2.1.3...

CVE-2026-73475

The Drupal Commerce PayPal module is affected by an Incorrect Authorization vulnerability, specifically allowing Forceful Browsing and unauthorized transaction marking. The root cause is the module's failure to sufficiently validate transaction results in certain circumstances, which allows a mal...

CVE-2026-73475 Commerce PayPal - Moderately critical - Access bypass - SA-CONTRIB-2026-095

Incorrect Authorization vulnerability in Drupal Commerce PayPal allows Forceful Browsing. This issue affects Commerce PayPal versions: from 0.0.0 to 1.12.0, from 2.0.0 to 2.1.3...

CVE-2026-73475 Commerce PayPal - Moderately critical - Access bypass - SA-CONTRIB-2026-095

Incorrect Authorization vulnerability in Drupal Commerce PayPal allows Forceful Browsing. This issue affects Commerce PayPal versions: from 0.0.0 to 1.12.0, from 2.0.0 to 2.1.3...

CVE-2026-73475 Commerce PayPal - Moderately critical - Access bypass - SA-CONTRIB-2026-095

Incorrect Authorization vulnerability in Drupal Commerce PayPal allows Forceful Browsing. This issue affects Commerce PayPal versions: from 0.0.0 to 1.12.0, from 2.0.0 to 2.1.3...

EUVD-2026-69993

Incorrect Authorization vulnerability in Drupal Commerce PayPal allows Forceful Browsing. This issue affects Commerce PayPal versions: from 0.0.0 to 1.12.0, from 2.0.0 to 2.1.3...

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 . The software fails to verify the amount, receiver, currency, or status of a payment notification before marking an order as completed. This allows unauthenticated users to complete ...

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-2026-76586 BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a...

CVE-2026-76586 BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a...

CVE-2026-76586

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a...

WordPress Simple Membership plugin < 4.7.8 - Unauthenticated Stored XSS via PayPal Subscription Subscriber Name vulnerability

Unauthenticated Stored XSS via PayPal Subscription Subscriber Name vulnerability discovered by Yaswanth Reddy Sunkara in WordPress Plugin Simple Membership versions 4.7.8...

WordPress Restore PayPal Standard for WooCommerce plugin < 3.1.1 - Payment Bypass via Unvalidated receiver_email vulnerability

Payment Bypass via Unvalidated receiveremail vulnerability discovered by Muni Nitish Kumar Yaddala in WordPress Plugin Accept PayPal & Stripe with Subscriptions for WooCommerce versions 3.1.1...

WordPress Subscriptions for WooCommerce plugin < 2.0.1 - Payment Bypass via Attacker-Supplied PayPal Capture Token vulnerability

Payment Bypass via Attacker-Supplied PayPal Capture Token vulnerability discovered by Pedro Pinho in WordPress Plugin Subscriptions for WooCommerce versions 2.0.1...

WordPress RegistrationMagic plugin < 6.0.9.5 - Unauthenticated Payment Bypass via Amount-Blind PayPal Verification vulnerability

Unauthenticated Payment Bypass via Amount-Blind PayPal Verification vulnerability discovered by Pedro Pinho in WordPress Plugin RegistrationMagic versions 6.0.9.5...