# CVE-2024-42699: OpenCMS Cross-Site Scripting vulnerability

> Remote attackers can inject JavaScript via image titles in the article creation function, potentially executing code in victim browsers.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Apr 2025
- **Updated:** 21 Apr 2025
- **Also known as:** GHSA-h75c-f2xx-9vxv

## What is CVE-2024-42699?

CVE-2024-42699 is a medium-severity cross-site scripting vulnerability in n/a, published on 21 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Cross Site Scripting vulnerability in Create/Modify article function in Alkacon OpenCMS 17.0 allows remote attacker to inject javascript payload via image title sub-field in the image field

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2024-42699?

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 to 17.0 | None |
| `org.opencms:opencms-core` | Maven | All versions to 17.0 | None |

Products: Alkacon Opencms.

## How do I fix CVE-2024-42699?

No fix has been published for CVE-2024-42699 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-42699 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-42699 exists.

## 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-2019-11819](https://insights.sbomify.com/CVE-2019-11819/): Alkacon OpenCMS CSV Injection via New User module (high 7.8)
- [CVE-2005-4475](https://insights.sbomify.com/CVE-2005-4475/): Cross-site scripting in n/a (medium 6.8)
- [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-2024-42699 and fix it if it is affected.

What it is: CVE-2024-42699 is a medium-severity cross-site scripting vulnerability in n/a, published on 21 Apr 2025. 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-2024-42699 exists.

Affected packages and fixed versions:
- org.opencms:opencms-core (Maven): affected all versions up to 17.0; no fix listed
- org.opencms:opencms-core (Maven): affected all versions up to 17.0; no fix listed

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-2024-42699/ (Markdown: https://insights.sbomify.com/CVE-2024-42699/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-42699
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-42699
- OSV: https://osv.dev/vulnerability/CVE-2024-42699

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-42699/
Summaries are generated and may contain mistakes; the official description above is the record.