WPForms acts on Stripe payments owned by other applications
An unauthenticated caller can supply a Stripe payment object during a public form submission. WPForms does not verify that the object belongs to that form application before issuing a full refund and immediately cancelling its subscription. The target is a payment from another application sharing the site owner Stripe account. The endpoint and required object fields or identifiers are unspecified; refund money is not described as going to the attacker. Affected versions: 1.8.8.2 to < 2.0.2. Confirmed fixed release: 2.0.2.
- Component
- WPForms
- Plugin slug
wpforms- Affected
- 1.8.8.2 to < 2.0.2
- Safe version
2.0.2- Published
- Sep 24, 2026
This CVE was published Sep 24, 2026 and is one of 6 known issues for this plugin.
Update, patch or deactivate.
Update to 2.0.2 or a later supported release. Bind every refund or cancellation to the authorized form, stored payment and expected Stripe application context before calling Stripe. Do not trust a payment object supplied by a public submitter; review unexpected refunds and subscription cancellations.
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 WPForms WordPress plugin before 2.0.2 does not verify that a Stripe payment object supplied during a public form submission belongs to it before acting on it, allowing unauthenticated users to trigger a full refund and an immediate subscription cancellation against payments created by other applications on the site owner's Stripe account.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N