What the vulnerability does
01Description
The SellKit – Funnel builder and checkout optimizer for WooCommerce to sell more, faster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter in all versions up to, and including, 1.9.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access 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
SellKit versions up to 1.9.8 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 visitors, potentially compromising their sessions or stealing sensitive data. The vulnerability affects the site's scope, meaning impacts extend beyond the vulnerable component itself.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers and steal their session data or credentials.
Potential impact on your site
04Site Impact
Authenticated users can inject persistent malicious code affecting all site visitors, risking customer data theft and account compromise.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege authenticated account on the site; no user interaction required from victims.
Key dates
06Disclosure timeline
June 6, 2024
CVE published
April 8, 2026
Record updated
