KnowBand supercheckout > 5.0.7 and < 6.0.7 is vulnerable to Unrestricted Upload of File with Dangerous Type. In the module "Module One Page Checkout, Social Login & Mailchimp" (supercheckout), a guest can upload files with extensions .php

SQL injection vulnerability in KnowBand Module One Page Checkout, Social Login & Mailchimp (supercheckout) v.8.0.3 and before allows a remote attacker to execute arbitrary code via a crafted request to the updateCheckoutBehaviour function in the supercheckout.php component.

Cross-Site Request Forgery (CSRF) vulnerability in edward_plainview MyCryptoCheckout plugin <= 2.125 versions.

The Checkout Fields Manager WordPress plugin before 1.0.2, Abandoned Cart Recovery WordPress plugin before 1.2.5, Custom Fields for WooCommerce WordPress plugin before 1.0.4, Custom Order Number WordPress plugin through 1.0.1, Custom Registration Forms Builder WordPress plugin before 1.0.2, Advanced Free Gifts WordPress plugin before 1.0.2, Gift Registry for WooCommerce WordPress plugin through 1.0.1, Image Watermark for WooCommerce WordPress plugin before 1.0.1, Order Approval for WooCommerce WordPress plugin before 1.1.0, Order Tracking for WooCommerce WordPress plugin before 1.0.2, Price Calculator for WooCommerce WordPress plugin through 1.0.3, Product Dynamic Pricing and Discounts WordPress plugin through 1.0.6, Product Labels and Stickers WordPress plugin through 1.0.1 have flawed CSRF checks in various places, which could allow attackers to make logged in users perform unwanted actions

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in PI Websolution Direct checkout, Add to cart redirect, Quick purchase button, Buy now button, Quick View button for WooCommerce plugin <= 2.1.48 versions.

The Flexible Checkout Fields for WooCommerce plugin for WordPress is vulnerable to Unauthenticated Arbitrary Plugin Settings update, in addition to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to missing authorization checks on the updateSettingsAction() function which is called via an admin_init hook, along with missing sanitization and escaping on the settings that are stored.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Umair Saleem Woocommerce Custom Checkout Fields Editor With Drag & Drop plugin <= 0.1 versions.

The MyCryptoCheckout WordPress plugin before 2.124 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Le Van Toan Woocommerce Vietnam Checkout plugin <= 2.0.4 versions.

The WP Express Checkout plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘pec_coupon[code]’ parameter in versions up to, and including, 2.2.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrator-level access to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Note: This can potentially be exploited by lower-privileged users if the `Admin Dashboard Access Permission` setting it set for those users to access the dashboard.