What the vulnerability does
01Description
The WooCommerce Checkout & Funnel Builder by CartFlows – Create High Converting Stores For WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘custom_upload_mimes’ function in versions up to, and including, 2.0.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
CartFlows versions up to 2.0.7 contain a stored cross-site scripting (XSS) vulnerability that allows authenticated users with low privileges to inject malicious scripts. These scripts execute in the browsers of other site users, potentially compromising their sessions or stealing sensitive data. The vulnerability affects the plugin's funnel and checkout functionality.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers and steals their session data or credentials.
Potential impact on your site
04Site Impact
Customers and staff may have their sessions hijacked or credentials stolen through injected scripts on checkout or funnel pages.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account (e.g., subscriber or customer) on the WordPress site.
Key dates
06Disclosure timeline
June 19, 2024
CVE published
April 8, 2026
Record updated