SQL injection vulnerability in Order Data Edit page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a user with editor (without setting authority) or higher privilege to perform unintended database operations.

SQL injection vulnerability in Item List page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a user with author or higher privilege to obtain sensitive information.

Cross-site scripting vulnerability in Item List page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script.

Cross-site scripting vulnerability in Credit Card Payment Setup page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script in the page.

Cross-site scripting vulnerability in Item List page registration process of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script.

Welcart e-Commerce versions 2.7 to 2.8.21 allows a user with editor or higher privilege to upload an arbitrary file to an unauthorized directory.

The Welcart e-Commerce plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the usces_download_system_information() function in versions up to, and including, 2.2.7. This makes it possible for authenticated attackers to download information including WordPress settings, plugin settings, PHP settings and server settings.

The Welcart e-Commerce plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the download_orderdetail_list(), change_orderlist(), and download_member_list() functions called via admin_init hooks in versions up to, and including, 2.2.7. This makes it possible for unauthenticated attackers to download lists of members, products and orders.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Collne Inc. Welcart e-Commerce plugin <= 2.8.10 versions.

The Welcart e-Commerce WordPress plugin before 2.8.9 does not validate and escapes one of its shortcode attributes, which could allow users with a role as low as a contributor to perform a Stored Cross-Site Scripting attack.