InvoicePlane (all versions tested as of December 2024) v.1.6.11 and before contains a remote code execution vulnerability in the upload_file method of the Upload controller.
A vulnerability was found in InvoicePlane up to 1.6.1 and classified as problematic. Affected by this issue is some unknown functionality of the file /invoices/view. The manipulation leads to session expiration. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.6.2-beta-1 is able to address this issue. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
An issue was discovered in InvoicePlane before 1.5.5. It was observed that the Email address and Web address parameters are vulnerable to Cross Site Scripting, related to application/modules/clients/views/view.php, application/modules/invoices/views/view.php, and application/modules/quotes/views/view.php.
Invoice Plane version 1.5.4 and earlier contains a Cross Site Scripting (XSS) vulnerability in Client's details that can result in execution of javascript code . This vulnerability appears to have been fixed in 1.5.5 and later.