# CVE-2023-7238: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Orthanc Osimis DICOM Web Viewer

> Attackers can execute arbitrary JavaScript in victims' browsers by uploading malicious DICOM studies to the Osimis WebViewer.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 23 Jan 2024
- **Updated:** 17 Jun 2025
- **Also known as:** GHSA-rv57-pvch-f98r

## What is CVE-2023-7238?

CVE-2023-7238 is a high-severity cross-site scripting vulnerability in Orthanc Osimis DICOM Web Viewer, published on 23 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A XSS payload can be uploaded as a DICOM study and when a user tries to view the infected study inside the Osimis WebViewer the XSS vulnerability gets triggered. If exploited, the attacker will be able to execute arbitrary JavaScript code inside the victim's browser.

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

## Which versions are affected by CVE-2023-7238?

It affects 1 product.


Products: Orthanc-Server Osimis Web Viewer.

## How do I fix CVE-2023-7238?

No fix has been published for CVE-2023-7238 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-7238 being exploited?

There is no known exploitation of CVE-2023-7238 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-7238 and fix it if it is affected.

What it is: CVE-2023-7238 is a high-severity cross-site scripting vulnerability in Orthanc Osimis DICOM Web Viewer, published on 23 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-7238 in the wild and no public exploit code.

Affected product: Orthanc Osimis DICOM Web Viewer. 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-2023-7238/ (Markdown: https://insights.sbomify.com/CVE-2023-7238/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-7238
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-7238
- OSV: https://osv.dev/vulnerability/CVE-2023-7238

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-7238/
Summaries are generated and may contain mistakes; the official description above is the record.