# CVE-2026-113468: Broken Access Control in extension "TYPO3 Shop by coding.ms" (shop)


- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 20 Oct 2026
- **Updated:** 20 Oct 2026
- **Also known as:** GHSA-g779-m64h-785q

## What is CVE-2026-113468?

CVE-2026-113468 is a medium-severity vulnerability in Extension "TYPO3 Shop by coding.ms", published on 20 Oct 2026. 

### Official description

The payment notification endpoint for PayPal accepts incoming data without verifying that it comes from the payment provider. Any site visitor can overwrite the stored payment notification of an order that is still awaiting payment with arbitrary content. This requires a page that contains the shop's order plugin. Orders that are already paid are not affected.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-113468?


## How do I fix CVE-2026-113468?

No fix has been published for CVE-2026-113468 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-113468 being exploited?

There is no known exploitation of CVE-2026-113468 in the wild and no public exploit code.

Public exploit code:

- forgeable PayPal payment callback in TYPO3 EXT:shop (github_poc): https://github.com/yuwkaaa/CVE-2026-113468

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-113468 and fix it if it is affected.

What it is: CVE-2026-113468 is a medium-severity vulnerability in Extension "TYPO3 Shop by coding.ms", published on 20 Oct 2026. 
Exploitation: There is no known exploitation of CVE-2026-113468 in the wild and no public exploit code.

Affected product: Extension "TYPO3 Shop by coding.ms". 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-2026-113468/ (Markdown: https://insights.sbomify.com/CVE-2026-113468/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-113468
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-113468
- OSV: https://osv.dev/vulnerability/CVE-2026-113468

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-113468/
Summaries are generated and may contain mistakes; the official description above is the record.