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...

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...

WordPress GetPaid plugin < 2.8.55 - Unauthenticated Worldpay Payment Bypass via Insufficient IPN Verification vulnerability

Unauthenticated Worldpay Payment Bypass via Insufficient IPN Verification vulnerability discovered by Pedro Pinho in WordPress Plugin GetPaid versions 2.8.55...

CVE-2026-11901

The WP Hotel Booking plugin for WordPress is vulnerable to Insufficient Verification of Data Authenticity in all versions up to, and including, 2.3.1. This is due to the webhookprocesspaypalstandard IPN handler selecting its PayPal validation endpoint from the attacker-controlled $REQUEST'testipn...

CVE-2026-9189

The Contact Form 7 – PayPal & Stripe Add-on plugin for WordPress is vulnerable to Payment Bypass via Insufficient Verification of Data Authenticity in all versions up to, and including, 2.4.9. Although cf7pppaypalipnhandler correctly validates IPN authenticity by posting back to PayPal with...

CVE-2026-9189

The Contact Form 7 – PayPal & Stripe Add-on plugin for WordPress is vulnerable to Payment Bypass via Insufficient Verification of Data Authenticity in all versions up to, and including, 2.4.9. Although cf7pppaypalipnhandler correctly validates IPN authenticity by posting back to PayPal with...

EUVD-2026-33265

The Contact Form 7 – PayPal & Stripe Add-on plugin for WordPress is vulnerable to Payment Bypass via Insufficient Verification of Data Authenticity in all versions up to, and including, 2.4.9. Although cf7pppaypalipnhandler correctly validates IPN authenticity by posting back to PayPal with...

EUVD-2025-198537

The Appointment Booking Calendar plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.3.96. This is due to the plugin exposing an unauthenticated booking processing endpoint cpabcappointmentscheckIPNverification that trusts attacker-supplied payment...

CVE-2025-13318

The Booking Calendar Contact Form plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.2.60. This is due to missing authorization checks and payment verification in the dexbccfcheckIPNverification function. This makes it possible for unauthenticated...

CVE-2025-13317

The Appointment Booking Calendar plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.3.96. This is due to the plugin exposing an unauthenticated booking processing endpoint cpabcappointmentscheckIPNverification that trusts attacker-supplied payment...

CVE-2025-13317 Appointment Booking Calendar <= 1.3.96 - Missing Authorization to Arbitrary Booking Confirmation via 'cpabc_ipncheck' Parameter

The Appointment Booking Calendar plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.3.96. This is due to the plugin exposing an unauthenticated booking processing endpoint cpabcappointmentscheckIPNverification that trusts attacker-supplied payment...

PT-2025-47834

The Booking Calendar Contact Form plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.2.60. This is due to missing authorization checks and payment verification in the dex bccf check IPN verification function. This makes it possible for...

WordPress plugin Booking Calendar Contact Form 安全漏洞

WordPress Booking Calendar Contact Form Plugin is a tool for creating contact forms with booking calendar functionality, supporting date selection, price configuration, PayPal payment integration, etc. for hotel and event booking scenarios. The WordPress Booking Calendar Contact Form Plugin suffe...