FunnelKit is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
This CVE was published Nov 05, 2025 and is one of 3 known issues for this plugin.
What to do
Update, patch or deactivate.
No fixed release is identified. Update FunnelKit when a confirmed fixed release becomes available; until then, disable and remove it when the site's risk warrants.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
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.
Source record
Technical description
The FunnelKit WordPress plugin before 3.12.0.1 does not sanitize user input before echoing it back in some of its checkout-related AJAX actions, allowing attackers to conduct reflected XSS attacks against logged-in users.