Concurrent Execution Using Shared Resource With Improper Synchronization

Paymenter is vulnerable to Concurrent Execution using Shared Resource with Improper Synchronization. The vulnerability is due to missing transactional locking when processing concurrent service downgrade requests, which allows an authenticated attacker to submit multiple simultaneous requests and...

CVE-2026-71537

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition via the doUpgrade process. An attacker can inflate their credit balance by sending multiple concurrent downgrade requests, resulting in multiple refunds for a single legitimate downgrade. Remediation Upgrade...

Paymenter has a credit-refund double-spend race condition in service downgrade (doUpgrade)

Summary The service downgrade implementation in app/Livewire/Services/Upgrade.php::doUpgrade executes a proration calculation and a subsequent user credit refund without any transactional safety or database locks. The only concurrency check relies on an unisolated database query checking for...

GHSA-5GMM-HJFJ-8FF7 Paymenter has a credit-refund double-spend race condition in service downgrade (doUpgrade)

Summary The service downgrade implementation in app/Livewire/Services/Upgrade.php::doUpgrade executes a proration calculation and a subsequent user credit refund without any transactional safety or database locks. The only concurrency check relies on an unisolated database query checking for...

CVE-2026-71537 Paymenter: Credit-refund double-spend race condition in service downgrade (doUpgrade)

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

CVE-2026-71537

Paymenter , an open-source webshop solution for hosting services, is affected by a credit-refund double-spend race condition in the service downgrade flow. In app/Livewire/Services/Upgrade.php::doUpgrade(), the method checks Service::upgradable and later executes $credit->increment('amount', a...

CVE-2026-71537 Paymenter: Credit-refund double-spend race condition in service downgrade (doUpgrade)

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

CVE-2026-71537 Paymenter: Credit-refund double-spend race condition in service downgrade (doUpgrade)

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

EUVD-2026-83247

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

PT-2026-95577

Name of the Vulnerable Software and Affected Versions Paymenter versions prior to 1.5.7 Description A race condition exists in the service downgrade implementation within the doUpgrade function of app/Livewire/Services/Upgrade.php. The application uses Service::upgradable to check for pending...

CVE-2026-71537: Concurrent Execution using Shared Resource with Improper Synchronization

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

CVE-2026-47198

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.1, the checkout component improperly filters URL-writable properties, allowing authenticated users to inject arbitrary key-value pairs into server provisioning parameters. Because...

CVE-2026-44583

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.0, the PayPal webhook endpoint /extensions/paypal/webhook processes the PAYPAL-CERT-URL HTTP header without validation, allowing attackers to control server-side HTTP request...

CVE-2026-44584

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.0, the email update functionality fails to invalidate the existing verification state when a user changes their email address, allowing a verified account to retain its verified statu...

CVE-2026-55219 Paymenter: Race condition in payWithCredit() enables credit double-spend

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.5, the credit payment implementation in app/Livewire/Invoices/Show.php executes a pessimistic row lock lockForUpdate outside of an active database transaction. Because MySQL/MariaDB...

EUVD-2026-46097

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.5, the credit payment implementation in app/Livewire/Invoices/Show.php executes a pessimistic row lock lockForUpdate outside of an active database transaction. Because MySQL/MariaDB...

CVE-2026-47198 Paymenter: URL parameter injection bypasses paid plan limits at checkout

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.1, the checkout component improperly filters URL-writable properties, allowing authenticated users to inject arbitrary key-value pairs into server provisioning parameters. Because...

CVE-2026-47198 Paymenter: URL parameter injection bypasses paid plan limits at checkout

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.1, the checkout component improperly filters URL-writable properties, allowing authenticated users to inject arbitrary key-value pairs into server provisioning parameters. Because...

EUVD-2026-46096

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.1, the checkout component improperly filters URL-writable properties, allowing authenticated users to inject arbitrary key-value pairs into server provisioning parameters. Because...