# CVE-2019-16698: direct_mail for Typo3 sensitive data exposure

> A missing access check in the TYPO3 Direct Mail extension allows restricted users to view and export frontend user subscription data.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 16 Oct 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-j2w4-45qm-r674

## What is CVE-2019-16698?

CVE-2019-16698 is a medium-severity missing authorization vulnerability in n/a, published on 16 Oct 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The direct_mail (aka Direct Mail) extension through 5.2.2 for TYPO3 has a missing access check in the backend module, allowing a user (with restricted permissions to the fe_users table) to view and export data of frontend users who are subscribed to a newsletter.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2019-16698?

2 open source packages ship an affected version, including directmailteam/direct-mail. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `directmailteam/direct-mail` | Packagist | All versions | 5.2.3 |
| `directmailteam/direct-mail` | Packagist | All versions | 5.2.3 |

Products: Dkd Direct Mail.

## How do I fix CVE-2019-16698?

Upgrade directmailteam/direct-mail to 5.2.3 or later.

## Is CVE-2019-16698 being exploited?

There is no known exploitation of CVE-2019-16698 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2013-7400](https://insights.sbomify.com/CVE-2013-7400/): The Direct Mail (direct_mail) TYPO3 extension improperly discloses sensitive information (high 7.5)
- [CVE-2020-12699](https://insights.sbomify.com/CVE-2020-12699/): Open redirect in direct_mail (medium 6.1)
- [CVE-2020-12697](https://insights.sbomify.com/CVE-2020-12697/): Denial of service in direct_mail (medium 5.3)
- [CVE-2020-12698](https://insights.sbomify.com/CVE-2020-12698/): Missing Authorization in TYPO3 extension (medium 4.3)
- [CVE-2020-12700](https://insights.sbomify.com/CVE-2020-12700/): Missing Authorization in TYPO3 extension (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-16698 and fix it if it is affected.

What it is: CVE-2019-16698 is a medium-severity missing authorization vulnerability in n/a, published on 16 Oct 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-16698 in the wild and no public exploit code.

Affected packages and fixed versions:
- directmailteam/direct-mail (Packagist): affected all versions; fixed in 5.2.3
- directmailteam/direct-mail (Packagist): affected all versions; fixed in 5.2.3

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-2019-16698/ (Markdown: https://insights.sbomify.com/CVE-2019-16698/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-16698
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-16698
- OSV: https://osv.dev/vulnerability/CVE-2019-16698

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-16698/
Summaries are generated and may contain mistakes; the official description above is the record.