CVE-2026-9189 Contact Form 7 – PayPal & Stripe Add-on <= 2.4.9 - Unauthenticated Payment Bypass via Insufficient Verification of Data Authenticity via PayPal IPN Handler ('invoice'/'mc_gross' Verification)

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...

CVE-2026-9189

Product & component : WordPress, Contact Form 7 – PayPal & Stripe Add-on. Vulnerability : Payment Bypass via IPN handling flaw in cf7pp_paypal_ipn_handler where the IPN payload’s mc_gross, mc_currency, or receiver_email aren’t compared against stored order values before passing the attacker-contr...

WordPress plugin Slek Gateway for WooCommerce 信息泄露漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows users to create personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be installed t...

CVE-2026-39366

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the PayPal IPN v1 handler at plugin/PayPalYPT/ipn.php lacks transaction deduplication, allowing an attacker to replay a single legitimate IPN notification to repeatedly inflate their wallet balance and renew subscriptions...

WWBN AVideo Affected by a PayPal IPN Replay Attack Enabling Wallet Balance Inflation via Missing Transaction Deduplication in ipn.php

Summary The PayPal IPN v1 handler at plugin/PayPalYPT/ipn.php lacks transaction deduplication, allowing an attacker to replay a single legitimate IPN notification to repeatedly inflate their wallet balance and renew subscriptions. The newer ipnV2.php and webhook.php handlers correctly deduplicate...

GHSA-MMW7-WQ3C-WF9P WWBN AVideo Affected by a PayPal IPN Replay Attack Enabling Wallet Balance Inflation via Missing Transaction Deduplication in ipn.php

Summary The PayPal IPN v1 handler at plugin/PayPalYPT/ipn.php lacks transaction deduplication, allowing an attacker to replay a single legitimate IPN notification to repeatedly inflate their wallet balance and renew subscriptions. The newer ipnV2.php and webhook.php handlers correctly deduplicate...

CVE-2026-39366

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the PayPal IPN v1 handler at plugin/PayPalYPT/ipn.php lacks transaction deduplication, allowing an attacker to replay a single legitimate IPN notification to repeatedly inflate their wallet balance and renew subscriptions...

CVE-2026-39366 WWBN AVideo Affected by a PayPal IPN Replay Attack Enabling Wallet Balance Inflation via Missing Transaction Deduplication in ipn.php

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the PayPal IPN v1 handler at plugin/PayPalYPT/ipn.php lacks transaction deduplication, allowing an attacker to replay a single legitimate IPN notification to repeatedly inflate their wallet balance and renew subscriptions...

CVE-2026-39366 WWBN AVideo Affected by a PayPal IPN Replay Attack Enabling Wallet Balance Inflation via Missing Transaction Deduplication in ipn.php

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the PayPal IPN v1 handler at plugin/PayPalYPT/ipn.php lacks transaction deduplication, allowing an attacker to replay a single legitimate IPN notification to repeatedly inflate their wallet balance and renew subscriptions...

CVE-2026-33661

Pay is an open-source payment SDK extension package for various Chinese payment services. Prior to version 3.7.20, the verifywechatsign function in src/Functions.php unconditionally skips all signature verification when the PSR-7 request reports localhost as the host. An attacker can exploit this...

CVE-2026-33661

Pay is an open-source payment SDK extension package for various Chinese payment services. Prior to version 3.7.20, the verifywechatsign function in src/Functions.php unconditionally skips all signature verification when the PSR-7 request reports localhost as the host. An attacker can exploit this...

CVE-2026-33661 WeChat Pay callback signature verification bypassed when Host header is localhost

Pay is an open-source payment SDK extension package for various Chinese payment services. Prior to version 3.7.20, the verifywechatsign function in src/Functions.php unconditionally skips all signature verification when the PSR-7 request reports localhost as the host. An attacker can exploit this...

CVE-2026-2428

The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Insufficient Verification of Data Authenticity in all versions up to, and including, 6.1.17. This is due to the PayPal IPN Instant Payment Notification verification being disabled by default disableipnverification defaults to...

CVE-2026-2428 Fluent Forms Pro Add On Pack <= 6.1.17 - Missing Authorization to Unauthenticated Payment Status modification

The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Insufficient Verification of Data Authenticity in all versions up to, and including, 6.1.17. This is due to the PayPal IPN Instant Payment Notification verification being disabled by default disableipnverification defaults to...

PT-2026-22290

Name of the Vulnerable Software and Affected Versions Fluent Forms Pro Add On Pack for WordPress versions through 6.1.17 Description The software contains a flaw related to insufficient verification of data authenticity. Specifically, PayPal IPN Instant Payment Notification verification is disabl...

CVE-2026-0692

The BlueSnap Payment Gateway for WooCommerce plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.4.0. This is due to the plugin relying on WooCommerce's WCGeolocation::getipaddress function to validate IPN requests, which trusts user-controllable...

CVE-2026-0692

The CVE-2026-0692 entry concerns the BlueSnap Payment Gateway for WooCommerce WordPress plugin. Affected component: the plugin (up to version 3.3.0). Root cause: it validates IPN requests by relying on WooCommerce’s WC_Geolocation::get_ip_address(), which trusts user-controllable headers (e.g., X...

WordPress plugin BlueSnap Payment Gateway for WooCommerce 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows users to create personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be installed t...

PT-2026-8048

Name of the Vulnerable Software and Affected Versions BlueSnap Payment Gateway for WooCommerce plugin for WordPress versions up to and including 3.3.0 Description The BlueSnap Payment Gateway for WooCommerce plugin for WordPress is susceptible to unauthorized access. The plugin uses the WooCommer...