The WooCommerce PDF Invoices, Packing Slips, Delivery Notes and Shipping Labels plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the wt_pklist_reset_settings() function in all versions up to, and including, 4.4.2. This makes it possible for unauthenticated attackers to reset all of the plugin's settings.

Deserialization of Untrusted Data vulnerability in Acowebs PDF Invoices and Packing Slips For WooCommerce.This issue affects PDF Invoices and Packing Slips For WooCommerce: from n/a through 1.3.7.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WebToffee WooCommerce PDF Invoices, Packing Slips, Delivery Notes and Shipping Labels allows Reflected XSS.This issue affects WooCommerce PDF Invoices, Packing Slips, Delivery Notes and Shipping Labels: from n/a through 4.4.0.

The WooCommerce PDF Invoices, Packing Slips, Delivery Notes and Shipping Labels plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Customer Notes field in all versions up to, and including, 4.4.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected invoice for printing.

The PDF Invoices and Packing Slips For WooCommerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.7 via deserialization of untrusted input via the order_id parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WP Overnight PDF Invoices & Packing Slips for WooCommerce.This issue affects PDF Invoices & Packing Slips for WooCommerce: from n/a through 3.7.5.

The WooCommerce PDF Invoices, Packing Slips, Delivery Notes and Shipping Labels plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on theprint_packinglist action in all versions up to, and including, 4.3.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to export orders which can contain sensitive information.

The KIWIZ Invoices Certification & PDF System WordPress plugin through 2.1.3 does not validate the path of files to be downloaded, which could allow unauthenticated attacker to read/downlaod arbitrary files, as well as perform PHAR unserialization (assuming they can upload a file on the server)

Cross-Site Request Forgery (CSRF) vulnerability in WP Overnight PDF Invoices & Packing Slips for WooCommerce plugin <= 3.2.5 leading to popup dismiss.

The WooCommerce PDF Invoices & Packing Slips WordPress plugin before 3.0.1 does not sanitise and escape some parameters before outputting them back in an attributes of an admin page, leading to Reflected Cross-Site Scripting.