# CVE-2026-103382: Casso Auto-confirm Bank Transfer < 4.2.0 - Unauthenticated WooCommerce Order Payment Confirmation


- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 28 Oct 2026
- **Updated:** 28 Oct 2026
- **Also known as:** GHSA-c348-5968-fp8m

## What is CVE-2026-103382?

CVE-2026-103382 is a medium-severity vulnerability in Unknown Casso Flow, published on 28 Oct 2026. 

### Official description

The Casso Flow  WordPress plugin before 4.2.0 does not properly authenticate incoming bank-transfer payment notifications, as the token used to verify them is empty on a default installation, allowing unauthenticated attackers to forge a notification and mark any pending WooCommerce order as paid, regardless of its payment method.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-103382?


## How do I fix CVE-2026-103382?

No fix has been published for CVE-2026-103382 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-103382 being exploited?

There is no known exploitation of CVE-2026-103382 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-103382 and fix it if it is affected.

What it is: CVE-2026-103382 is a medium-severity vulnerability in Unknown Casso Flow, published on 28 Oct 2026. 
Exploitation: There is no known exploitation of CVE-2026-103382 in the wild and no public exploit code.

Affected product: Unknown Casso Flow. 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-2026-103382/ (Markdown: https://insights.sbomify.com/CVE-2026-103382/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-103382
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-103382
- OSV: https://osv.dev/vulnerability/CVE-2026-103382

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-103382/
Summaries are generated and may contain mistakes; the official description above is the record.