# CVE-2026-12584: Business logic in Payment Gateway for Redsys & WooCommerce Lite

> Unauthenticated attackers can forge payment callbacks to mark orders as paid without actual payment, affecting WooCommerce users.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Aug 2026
- **Updated:** 7 Aug 2026
- **Also known as:** GHSA-9f34-8wwr-2wjq

## What is CVE-2026-12584?

CVE-2026-12584 is a high-severity vulnerability in Unknown Payment Gateway for Redsys & WooCommerce Lite, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Payment Gateway for Redsys & WooCommerce Lite WordPress plugin before 7.0.2 does not verify the authenticity of incoming payment-provider notifications for one of its payment methods before marking orders as paid, allowing unauthenticated attackers to forge a payment-confirmation callback and complete their own orders without paying.

## Which versions are affected by CVE-2026-12584?


## How do I fix CVE-2026-12584?

No fix has been published for CVE-2026-12584 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-12584 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12584 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-12584 and fix it if it is affected.

What it is: CVE-2026-12584 is a high-severity vulnerability in Unknown Payment Gateway for Redsys & WooCommerce Lite, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12584 exists.

Affected product: Unknown Payment Gateway for Redsys & WooCommerce Lite. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-12584/ (Markdown: https://insights.sbomify.com/CVE-2026-12584/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-12584
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-12584
- OSV: https://osv.dev/vulnerability/CVE-2026-12584

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-12584/
Summaries are generated and may contain mistakes; the official description above is the record.