# CVE-2019-11819: Alkacon OpenCMS CSV Injection via New User module

> Attackers can inject malicious formulas into user profile fields, potentially leading to code execution when exported to Excel.

- **Severity:** High 7.8 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 8 May 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-q693-v7qf-p4xj

## What is CVE-2019-11819?

CVE-2019-11819 is a high-severity vulnerability in n/a, published on 8 May 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Alkacon OpenCMS v10.5.4 and before is affected by CSV (aka Excel Macro) Injection in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp) via the First Name or Last Name.

Weakness: CWE-1236 (Improper Neutralization of Formula Elements in a CSV File)

## Which versions are affected by CVE-2019-11819?

2 open source packages ship an affected version, including org.opencms:opencms-core. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.opencms:opencms-core` | Maven | All versions | 11.0.0 |
| `org.opencms:opencms-core` | Maven | All versions | 11.0.0 |

Products: Alkacon Opencms.

## How do I fix CVE-2019-11819?

Upgrade org.opencms:opencms-core to 11.0.0 or later.

## Is CVE-2019-11819 being exploited?

There is no known exploitation of CVE-2019-11819 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2018-8811](https://insights.sbomify.com/CVE-2018-8811/): Cross-site request forgery in n/a (high 8.8)
- [CVE-2005-4475](https://insights.sbomify.com/CVE-2005-4475/): Cross-site scripting in n/a (medium 6.8)
- [CVE-2024-42699](https://insights.sbomify.com/CVE-2024-42699/): OpenCMS Cross-Site Scripting vulnerability (medium 6.5)
- [CVE-2021-3312](https://insights.sbomify.com/CVE-2021-3312/): XML External Entity Reference in org.opencms:opencms-core (medium 6.5)
- [CVE-2006-3935](https://insights.sbomify.com/CVE-2006-3935/): Alkacon OpenCMS Improper Access Control via system/workplace/views/admin/admin-main.jsp (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-11819 and fix it if it is affected.

What it is: CVE-2019-11819 is a high-severity vulnerability in n/a, published on 8 May 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-11819 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.opencms:opencms-core (Maven): affected all versions; fixed in 11.0.0
- org.opencms:opencms-core (Maven): affected all versions; fixed in 11.0.0

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-2019-11819/ (Markdown: https://insights.sbomify.com/CVE-2019-11819/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-11819
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-11819
- OSV: https://osv.dev/vulnerability/CVE-2019-11819

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-11819/
Summaries are generated and may contain mistakes; the official description above is the record.