CVE-2025-3743 Upsell Funnel Builder for WooCommerce <= 3.0.0 - Unauthenticated Order Manipulation
Unauthenticated attackers can manipulate product IDs and discounts in order bumps, allowing arbitrary modification of cart contents and pricing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3743?
CVE-2025-3743 is a medium-severity vulnerability in wpswings Upsell Funnel Builder for WooCommerce – Create Upsells, Cross-Sells, Order Bumps, Frequently Bought, and Popups., published on 25 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Upsell Funnel Builder for WooCommerce plugin for WordPress is vulnerable to order manipulation in all versions up to, and including, 3.0.0. This is due to the plugin allowing the additional product ID and discount field to be manipulated prior to processing via the 'add_offer_in_cart' function. This makes it possible for unauthenticated attackers to arbitrarily update the product associated with any order bump, and arbitrarily update the discount applied to any order bump item, when adding it to the cart.
Weakness: CWE-472
Which versions are affected by CVE-2025-3743?
How do I fix CVE-2025-3743?
No fix has been published for CVE-2025-3743 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3743 being exploited?
There is no known exploitation of CVE-2025-3743 in the wild and no public exploit code.
Sources
Also known as GHSA-3hwm-4538-x9g2.