The WooCommerce Checkout Manager plugin before 4.3 for WordPress allows media deletion via the wp-admin/admin-ajax.php?action=update_attachment_wccm wccm_default_keys_load parameter because of a nopriv_ registration and a lack of capabilities checks.

cgi-bin/webscr?cmd=_cart in the WooCommerce PayPal Checkout Payment Gateway plugin 1.6.8 for WordPress allows Parameter Tampering in an amount parameter (such as amount_1), as demonstrated by purchasing an item for lower than the intended price. NOTE: The plugin author states it is true that the amount can be manipulated in the PayPal payment flow. However, the amount is validated against the WooCommerce order total before completing the order, and if it doesn’t match then the order will be left in an “On Hold” state

An issue was discovered in the MULTIDOTS Woo Checkout for Digital Goods plugin 2.1 for WordPress. If an admin user can be tricked into visiting a crafted URL created by an attacker (via spear phishing/social engineering), the attacker can change the plugin settings. The function woo_checkout_settings_page in the file class-woo-checkout-for-digital-goods-admin.php doesn't do any check against wp-admin/admin-post.php Cross-site request forgery (CSRF) and user capabilities.

Cross-site scripting (XSS) vulnerability in the Ubercart Webform Checkout Pane module 6.x-3.x before 6.x-3.10 and 7.x-3.x before 7.x-3.11 for Drupal allows remote authenticated users with certain permissions to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in test-plugin.php in the Swipe Checkout for Jigoshop (swipe-hq-checkout-for-jigoshop) plugin 3.1.0 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the api_url parameter.

Cross-site scripting (XSS) vulnerability in test-plugin.php in the Swipe Checkout for eShop plugin 3.7.0 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the api_url parameter.

google-checkout-php-sample-code before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

The PayPal Pro PayFlow EC module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Cross-site scripting (XSS) vulnerability in Event Registration allows remote attackers to inject arbitrary web script or HTML via the (1) event_id parameter to view-event-details.php or (2) select_events parameter to event-registration.php. NOTE: the provenance of this information is unknown; the details are obtained from third party information.