CVE-2026-9242

The CVE covers RegistrationMagic for WordPress (all versions up to 6.0.8.6) with an AUTHENTICATION BYPASS via forged PayPal IPN requests. The PayPal IPN callback is registered as a nopriv AJAX action with no authentication or nonce, and the handler writes attacker-controlled POST data (including ...

CVE-2026-9242 RegistrationMagic <= 6.0.8.6 - Authenticated (Subscriber+) Authentication Bypass via Forged PayPal IPN Request

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to Authentication Bypass via Insufficient Verification of Data Authenticity in all versions up to and including 6.0.8.6. This is due to the PayPal IPN callback handler...

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-2026-2428 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...

CVE-2026-2428

The CVE concerns the Fluent Forms Pro Add On Pack for WordPress, vulnerable in all versions up to 6.1.17 due to disabled PayPal IPN verification (disable_ipn_verification defaults to 'yes' in PayPalSettings.php). This enables unauthenticated attackers to send forged PayPal IPN notifications to th...

EUVD-2009-1364

Malware in sbrugna...

EUVD-2020-0624

Malware in sbrugna...

EUVD-2012-5668

Malware in sbrugna...

EUVD-2012-5685

Malware in sbrugna...

CVE-2012-5805

The PayPal IPN functionality in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name CN or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, a different...

GHSA-H698-R4HM-W94P Validation Bypass in paypal-ipn

Versions 2.x.x and earlier of paypal-ipn are affected by a validation bypass vulnerability. paypal-ipn uses the testipn parameter which is set by the PayPal IPN simulator to determine if it should use the production PayPal site or the sandbox. A motivated attacker could craft a request string usi...

Validation Bypass in paypal-ipn

Versions 2.x.x and earlier of paypal-ipn are affected by a validation bypass vulnerability. paypal-ipn uses the testipn parameter which is set by the PayPal IPN simulator to determine if it should use the production PayPal site or the sandbox. A motivated attacker could craft a request string usi...

Design/Logic Flaw

paypal-ipn before 3.0.0 uses the testipn parameter which is set by the PayPal IPN simulator to determine if it should use the production PayPal site or the sandbox. With a bit of time, an attacker could craft a request using the simulator that would fool any application which does not explicitly...

CVE-2014-10067

paypal-ipn before 3.0.0 uses the testipn parameter which is set by the PayPal IPN simulator to determine if it should use the production PayPal site or the sandbox. With a bit of time, an attacker could craft a request using the simulator that would fool any application which does not explicitly...

CVE-2014-10067

CVE-2014-10067 affects the paypal-ipn package up to version 2.x; a validation bypass exists due to the test_ipn parameter (set by the PayPal IPN simulator) that determines whether to use production or sandbox. An attacker could craft a request via the simulator to force sandbox mode, potentially ...

Joomla! Component PayPal IPN for DOCman 3.1 - id SQL Injection

Joomla! Component PayPal IPN for DOCman 3.1 - id SQL Injection Exploit Title: Joomla! Component PayPal IPN for DOCman v3.1 - SQL Injection Google Dork: inurl:index.php?option=comdocmanpaypal Date: 20.02.2017 Vendor Homepage: http://shopfiles.com/ Software Buy:...

Joomla PayPal IPN For Docman 3.1 SQL Injection

Exploit Title: Joomla! Component PayPal IPN for DOCman v3.1 - SQL Injection Google Dork: inurl:index.php?option=comdocmanpaypal Date: 20.02.2017 Vendor Homepage: http://shopfiles.com/ Software Buy:...

Validation Bypass

Overview Versions 2.x.x and earlier of paypal-ipn are affected by a validation bypass vulnerability. paypal-ipn uses the testipn parameter which is set by the PayPal IPN simulator to determine if it should use the production PayPal site or the sandbox. A motivated attacker could craft a request...

CVE-2012-5788

The PayPal IPN utility does not verify that the server hostname matches a domain name in the subject's Common Name CN or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP...

Code injection

The PayPal IPN functionality in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name CN or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, a different...