CVE-2026-43928 FOSSBilling: Payment amount not validated in PayPalEmail adapter allows invoice underpayment

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 $0.05...

CVE-2026-43928 FOSSBilling: Payment amount not validated in PayPalEmail adapter allows invoice underpayment

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 $0.05...

CVE-2026-43928 FOSSBilling: Payment amount not validated in PayPalEmail adapter allows invoice underpayment

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 $0.05...

CVE-2026-43928

FOSSBilling PayPalEmail integration before 0.8.0 credits mc_gross from IPN without validating against the invoice total, combined with a $0.05 epsilon in the credit logic, enabling underpayment of up to $0.04 while marking invoices as paid. Version 0.8.0 patches the issue. No public workaround ex...

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 $0.05...

CVE-2026-42341

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-2026-42331

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the Guest API invoice/update endpoint is missing an authorization check present in other invoice-related endpoints, allowing an unauthenticated user with knowledge of an invoice hash to modify the...

CVE-2026-42331 FOSSBilling missing authorization in guest Invoice API endpoints

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the Guest API invoice/update endpoint is missing an authorization check present in other invoice-related endpoints, allowing an unauthenticated user with knowledge of an invoice hash to modify the...

CVE-2026-42331 FOSSBilling missing authorization in guest Invoice API endpoints

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the Guest API invoice/update endpoint is missing an authorization check present in other invoice-related endpoints, allowing an unauthenticated user with knowledge of an invoice hash to modify the...

CVE-2026-42331

FOSSBilling before version 0.8.0 has an authorization gap in the Guest API invoice/update endpoint. An unauthenticated attacker who knows an invoice hash can modify the payment gateway associated with an unpaid invoice, potentially changing gateway_id to any gateway configured in the system. The ...

EUVD-2026-41947

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the Guest API invoice/update endpoint is missing an authorization check present in other invoice-related endpoints, allowing an unauthenticated user with knowledge of an invoice hash to modify the...

CVE-2026-42331

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the Guest API invoice/update endpoint is missing an authorization check present in other invoice-related endpoints, allowing an unauthenticated user with knowledge of an invoice hash to modify the...

CVE-2026-42331 FOSSBilling missing authorization in guest Invoice API endpoints

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the Guest API invoice/update endpoint is missing an authorization check present in other invoice-related endpoints, allowing an unauthenticated user with knowledge of an invoice hash to modify the...

EUVD-2026-41944

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-2026-14791

A weakness has been identified in crater-invoice-inc crater up to 6.0.6. This affects the function getFormattedString of the file app/Http/Requests/InvoicesRequest.php of the component Invoice Note Handler. Executing a manipulation of the argument notes can lead to cross site scripting. The attac...

CVE-2026-14791

A weakness has been identified in crater-invoice-inc crater up to 6.0.6. This affects the function getFormattedString of the file app/Http/Requests/InvoicesRequest.php of the component Invoice Note Handler. Executing a manipulation of the argument notes can lead to cross site scripting. The attac...

CVE-2026-14791 crater-invoice-inc crater Invoice Note InvoicesRequest.php getFormattedString cross site scripting

A weakness has been identified in crater-invoice-inc crater up to 6.0.6. This affects the function getFormattedString of the file app/Http/Requests/InvoicesRequest.php of the component Invoice Note Handler. Executing a manipulation of the argument notes can lead to cross site scripting. The attac...

CVE-2026-14791

CVE-2026-14791 affects crater-invoice-inc crater up to 6.0.6. The vulnerability exists in the function getFormattedString of app/Http/Requests/InvoicesRequest.php within the Invoice Note Handler . Manipulating the argument notes may lead to cross-site scripting (XSS) . The attack can be launched ...

EUVD-2026-41802

A weakness has been identified in crater-invoice-inc crater up to 6.0.6. This affects the function getFormattedString of the file app/Http/Requests/InvoicesRequest.php of the component Invoice Note Handler. Executing a manipulation of the argument notes can lead to cross site scripting. The attac...

CVE-2026-14791 crater-invoice-inc crater Invoice Note InvoicesRequest.php getFormattedString cross site scripting

A weakness has been identified in crater-invoice-inc crater up to 6.0.6. This affects the function getFormattedString of the file app/Http/Requests/InvoicesRequest.php of the component Invoice Note Handler. Executing a manipulation of the argument notes can lead to cross site scripting. The attac...