CVE-2026-103312

The Payment Integration Wompi WordPress plugin version 4.0.1 and below is vulnerable to an unauthenticated payment confirmation forgery. The root cause is that the plugin fails to verify the authenticity of incoming payment notifications on a stock installation because the callback checksum is ke...

CVE-2026-103312 Payment Integration Wompi <= 4.0.1 - Unauthenticated Payment Confirmation Forgery via IPN Callback

The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of incoming payment notifications on a stock install, because the callback's checksum is keyed on a merchant secret that is empty until it is manually configured, allowing an unauthenticated attacker to...

CVE-2026-94299 elegro Crypto Payment <= 1.0.1 - Unauthenticated Arbitrary Order Status Change via IPN Callback

The elegro Crypto Payment WordPress plugin through 1.0.1 does not require a shared secret to be configured before trusting incoming payment notification requests, allowing unauthenticated attackers to forge payment confirmations and change the status of arbitrary orders on any installation where...

CVE-2026-94299 elegro Crypto Payment <= 1.0.1 - Unauthenticated Arbitrary Order Status Change via IPN Callback

The elegro Crypto Payment WordPress plugin through 1.0.1 does not require a shared secret to be configured before trusting incoming payment notification requests, allowing unauthenticated attackers to forge payment confirmations and change the status of arbitrary orders on any installation where...

CVE-2026-94299

The elegro Crypto Payment WordPress plugin versions through 1.0.1 is vulnerable to an unauthenticated arbitrary order status change via IPN callback. The root cause is a failure to require a shared secret for validating incoming payment notification requests. If the secret remains at its default ...

CVE-2026-48799: Insufficient Verification of Data Authenticity

Postiz is an AI social media scheduling tool. Prior to 2.21.8, Postiz fails to verify Nowpayments IPN callback authenticity against the payment provider shared secret and reads the target subscription identifier from the untrusted request body, allowing a low-privileged account to grant arbitrary...

CVE-2026-43928

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the PayPalEmail payment adapter accepts PayPal IPN callbacks and credits the IPN-supplied amount "mcgross" to the client's balance without validating it against the invoice total. Combined with a $0.0...

CVE-2026-42341 FOSSBilling has an unauthenticated payment bypass via IPN callback forgery

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark any unpaid invoice as paid and credit...

CVE-2026-42341: Missing Authentication for Critical Function

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark any unpaid invoice as paid and credit...

CVE-2026-7626

The Slek Gateway for WooCommerce plugin for WordPress is vulnerable to Information Exposure in version 1.0. This is due to the wsbhandleslekpaymentredirect function placing the merchant's slekkey and sleksecret API credentials directly into a client-side HTML form, and additionally embedding the...

CVE-2026-7626

The Slek Gateway for WooCommerce plugin for WordPress is vulnerable to Information Exposure in version 1.0. This is due to the wsbhandleslekpaymentredirect function placing the merchant's slekkey and sleksecret API credentials directly into a client-side HTML form, and additionally embedding the...

PT-2026-39974

The Slek Gateway for WooCommerce plugin for WordPress is vulnerable to Information Exposure in version 1.0. This is due to the wsb handle slek payment redirect function placing the merchant's slek key and slek secret API credentials directly into a client-side HTML form, and additionally embeddin...

EUVD-2021-2249

Malware in sbrugna...

EUVD-2022-2632

Malicious code in bioql PyPI...

CVE-2020-8818

An issue was discovered in the CardGate Payments plugin through 2.0.30 for Magento 2. Lack of origin authentication in the IPN callback processing function in Controller/Payment/Callback.php allows an attacker to remotely replace critical plugin settings merchant ID, secret key, etc. and therefor...

CVE-2020-8819

An issue was discovered in the CardGate Payments plugin through 3.1.15 for WooCommerce. Lack of origin authentication in the IPN callback processing function in cardgate/cardgate.php allows an attacker to remotely replace critical plugin settings merchant ID, secret key, etc. and therefore bypass...

CardGate Payments plugin for WooCommerce does not validate request origin

An issue was discovered in the CardGate Payments plugin through 3.1.15 for WooCommerce. Lack of origin authentication in the IPN callback processing function in cardgate/cardgate.php allows an attacker to remotely replace critical plugin settings merchant ID, secret key, etc. and therefore bypass...

GHSA-5PQ5-9PHV-Q5J3 CardGate Payments plugin for WooCommerce does not validate request origin

An issue was discovered in the CardGate Payments plugin through 3.1.15 for WooCommerce. Lack of origin authentication in the IPN callback processing function in cardgate/cardgate.php allows an attacker to remotely replace critical plugin settings merchant ID, secret key, etc. and therefore bypass...

Moodle Unauthenticated users can trigger custom messages to admin via paypal enrol script

A flaw was found in Moodle 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions. Unauthenticated users can trigger custom messages to admin via paypal enrol script. Paypal IPN callback script should only send error emails to admin after request origin was...

GHSA-QF6Q-QFWP-VP44 Origin Validation Error in Magento 2

An issue was discovered in the CardGate Payments plugin through 2.0.30 for Magento 2. Lack of origin authentication in the IPN callback processing function in Controller/Payment/Callback.php allows an attacker to remotely replace critical plugin settings merchant ID, secret key, etc. and therefor...