What the vulnerability does
01Description
Missing Authorization vulnerability in WPClever WPC Smart Upsell Funnel for WooCommerce wpc-smart-upsell-funnel allows Privilege Escalation.This issue affects WPC Smart Upsell Funnel for WooCommerce: from n/a through <= 3.0.4.
Explanation of Vulnerability in Simple Terms
02Summary
WPC Smart Upsell Funnel for WooCommerce versions 3.0.4 and earlier lack proper authorization checks, allowing authenticated users with low privileges to read, modify, or delete sensitive data and functionality. An attacker with a basic user account can perform actions restricted to administrators or shop managers. Update to a version newer than 3.0.4 immediately.
What an attacker can do
03Attacker Capabilities
Read, modify, or delete shop data and settings with only a low-privilege user account.
Potential impact on your site
04Site Impact
Any registered user can access and alter critical WooCommerce upsell funnel settings and customer data.
Conditions required to exploit
05Prerequisites
Attacker must have a valid user account on the WordPress site (low privilege level).
Key dates
06Disclosure timeline
March 27, 2025
CVE published
April 28, 2026
Record updated