WPFunnels applies order-bump discounts to arbitrary products
WPFunnels before 3.13.0 does not verify that a checkout order-bump product is the product for which the discount was configured. An unauthenticated buyer can substitute another purchasable product and carry the unintended reduced price into the final order total.
- Component
- WPFunnels
- Plugin slug
wpfunnels- Affected
- < 3.13.0
- Safe version
3.13.0- Published
- Sep 04, 2026
This CVE was published Sep 04, 2026 and is one of 23 known issues for this plugin.
Update, patch or deactivate.
Update to 3.13.0 or later and reconcile recent discounted orders against each funnel's configured order-bump product.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The WPFunnels WordPress plugin before 3.13.0 does not verify that the product requested through a checkout order bump is the product that bump's discount was configured for, allowing unauthenticated users to obtain any purchasable product at a discount intended for a different one, with the reduced price carried through to the total of the order they place.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N