The WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible WordPress plugin before 6.5.12, when used in combination with another WCFM - WooCommerce Multivendor plugin such as WCFM - WooCommerce Multivendor Marketplace, does not escape the withdrawal_vendor parameter before using it in a SQL statement, allowing low privilege users such as Subscribers to perform SQL injection attacks

The wcfm_ajax_controller AJAX action of the WCFM Marketplace WordPress plugin before 3.4.12, available to unauthenticated and authenticated user, does not properly sanitise multiple parameters before using them in SQL statements, leading to SQL injections

The WCFM Marketplace plugin for WordPress is vulnerable to unauthorized modification and access of data in versions up to, and including, 3.4.11 due to missing capability checks on various AJAX actions. This makes it possible for authenticated attackers, with minimal permissions such as subscribers, to perform a wide variety of actions such as modifying shipping method details, modifying products, deleting arbitrary posts, and privilege escalation (via the wp_ajax_wcfm_vendor_store_online AJAX action).

The WCFM Marketplace plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.4.11 due to missing nonce checks on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of actions such as modifying shipping method details, modifying products, deleting arbitrary posts, and more, via a forged request granted they can trick a site's administrator into performing an action such as clicking on a link.

The WCFM Frontend Manager plugin for WordPress is vulnerable to unauthorized modification and access of data in versions up to, and including, 6.6.0 due to missing capability checks on various AJAX actions. This makes it possible for authenticated attackers, with minimal permissions such as subscribers, to perform a wide variety of actions such as modifying knowledge bases, modifying notices, modifying payments, managing vendors, capabilities, and so much more. There were hundreds of AJAX endpoints affected.

The WCFM Frontend Manager plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 6.6.0 due to missing nonce checks on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of actions such as modifying knowledge bases, modifying notices, modifying payments, managing vendors, capabilities, and so much more, via a forged request granted they can trick a site's administrator into performing an action such as clicking on a link. There were hundreds of AJAX endpoints affected.

THe WCFM Membership plugin for WordPress is vulnerable to privilege escalation in versions up to, and including 2.10.0, due to a missing capability check on the wp_ajax_nopriv_wcfm_ajax_controller AJAX action that controls membership settings. This makes it possible for unauthenticated attackers to modify the membership registration form in a way that allows them to set the role for registration to that of any user including administrators. Once configured, the attacker can then register as an administrator.

The WCFM Membership plugin for WordPress is vulnerable to unauthorized modification and access of data in versions up to, and including, 2.10.0 due to missing capability checks on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of actions such as modifying membership details, changing renewal information, controlling membership approvals, and more.

The WCFM Membership plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.9.10 due to missing nonce checks on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of actions such as modifying membership details, changing renewal information, controlling membership approvals, and more, via a forged request granted they can trick a site's administrator into performing an action such as clicking on a link.

The WooCommerce Multivendor Marketplace – REST API plugin for WordPress is vulnerable to unauthorized access of data and addition of data due to a missing capability check on the 'get_item', 'get_order_notes' and 'add_order_note' functions in versions up to, and including, 1.5.3. This makes it possible for authenticated attackers with subscriber privileges or above, to view the order details and order notes, and add order notes.

The WCFM Membership – WooCommerce Memberships for Multivendor Marketplace plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.10.7. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for unauthenticated attackers to change user passwords and potentially take over administrator accounts.

The WCFM Marketplace plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'wcfm_stores' shortcode in versions up to, and including, 3.6.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WC Lovers WCFM Marketplace wc-multivendor-marketplace allows Reflected XSS.This issue affects WCFM Marketplace: from n/a through <= 3.6.11.

The WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.7.12 via the WCFM_Customers_Manage_Controller::processing function due to missing validation on the ID user controlled key. This makes it possible for authenticated attackers, with subscriber/customer-level access and above, to change the email address of administrator user accounts which allows them to reset the password and access the administrator account.

The WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the wcfm_redirect_to_setup function in all versions up to, and including, 6.7.16. This makes it possible for unauthenticated attackers to view and modify the plugin settings, including payment details and API keys