The Expert Invoice WordPress plugin through 1.0.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Improper Protection for Outbound Error Messages and Alert Signals vulnerability in EDM Informatics E-invoice allows Account Footprinting.This issue affects E-invoice: before 2.1.

The Web Invoice WordPress plugin through 2.1.3 does not properly sanitize and escape a parameter before using it in a SQL statement, leading to a SQL Injection exploitable by high privilege users such as admin by default. However, depending on the plugin configuration, other users, such as subscriber could exploit this as well

Cross-site scripting (XSS) vulnerability in the Invoice module 6.x-1.x before 6.x-1.2 and 7.x-1.x before 7.x-1.3 for Drupal allows remote authenticated users with the "Administer own invoices" permission to inject arbitrary web script or HTML via unspecified vectors involving nodes of the "Invoice" content type.

Multiple cross-site request forgery (CSRF) vulnerabilities in the Invoice module 6.x-1.x before 6.x-1.2 and 7.x-1.x before 7.x-1.3 for Drupal allow remote attackers to hijack the authentication of arbitrary users for requests that (1) create, (2) delete, or (3) alter invoices via unspecified vectors.