35 matches found
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-2026-81026
MasterStudy LMS WordPress plugin versions prior to 3.7.40 contain an unauthenticated payment bypass via PayPal IPN (Instant Payment Notification). The plugin fails to verify the amount, receiver, currency, or status of an incoming payment notification before marking the corresponding order as com...
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-2026-15150 myCred < 3.2.5 - Unauthenticated Payment Bypass via Missing PayPal IPN Receiver Verification in buyCRED
The myCred WordPress plugin before 3.2.5 does not verify that the receiver of an incoming payment gateway notification matches the site's configured merchant account, allowing unauthenticated attackers to have arbitrary amounts of the site's in-site currency credited to an account by completing a...
CVE-2026-15150
The myCred WordPress plugin before 3.2.5 contains an unauthenticated payment bypass in the buyCRED function. The plugin fails to verify that the receiver of an incoming payment gateway notification (e.g., PayPal IPN) matches the site's configured merchant account. An unauthenticated attacker can ...
WordPress Quick PayPal Payments plugin <= 5.7.50 - Unauthenticated Payment Bypass via PayPal IPN vulnerability
Unauthenticated Payment Bypass via PayPal IPN vulnerability discovered by Muni Nitish Kumar Yaddala in WordPress Plugin Quick Paypal Payments versions = 5.7.50...
CVE-2026-17008 Quick PayPal Payments <= 5.7.50 - Unauthenticated Payment Bypass via PayPal IPN
The Quick Paypal Payments WordPress plugin through 5.7.50 does not verify the paid amount, receiver, or payment status in its PayPal IPN handler and marks an order paid on an order-token match alone, so a buyer who pays an arbitrary small amount can have a full-price order marked paid...
CVE-2026-15502 AojiaoZero Antaris PayPal IPN Payment ipn.php _rewardPurchase sql injection
A vulnerability was detected in AojiaoZero Antaris 1.0. This affects the function rewardPurchase of the file /ipn.php of the component PayPal IPN Payment Handler. The manipulation of the argument itemnumber results in sql injection. The attack may be performed from remote. The vendor was contacte...
CVE-2026-11901
Affected software: WordPress WP Hotel Booking plugin (versions ≤ 2.3.1). Vulnerability: Insufficient Verification of Data Authenticity in the PayPal IPN handler (web_hook_process_paypal_standard). The IPN validation endpoint can be chosen from attacker-controlled test_ipn, permitting force-upgrad...
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-2012-5685
Malware in sbrugna...
EUVD-2009-1364
Malware in sbrugna...