# CVE-2023-4554: XML External Entity (XXE) Processing

> Authenticated attackers can exploit XXE in OpenText AppBuilder to perform SSRF and read local server files.

- **Severity:** Medium 4.9 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Jan 2024
- **Updated:** 29 May 2025
- **Also known as:** GHSA-wgfc-hm58-hx63

## What is CVE-2023-4554?

CVE-2023-4554 is a medium-severity vulnerability in OpenText AppBuilder, published on 29 Jan 2024. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Improper Restriction of XML External Entity Reference vulnerability in OpenText AppBuilder on Windows, Linux allows Server Side Request Forgery, Probe System Files.

AppBuilder's XML processor is vulnerable to XML External Entity Processing (XXE), allowing an authenticated user to upload specially crafted XML files to induce server-side request forgery, disclose files local to the server that processes them.

This issue affects AppBuilder: from 21.2 before 23.2.

Weakness: CWE-611 (Improper Restriction of XML External Entity Reference)

## Which versions are affected by CVE-2023-4554?

It affects 1 product.


Products: Opentext Appbuilder.

## How do I fix CVE-2023-4554?

No fix has been published for CVE-2023-4554 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4554 being exploited?

There is no known exploitation of CVE-2023-4554 in the wild and no public exploit code.

## Other vulnerabilities in OpenText AppBuilder

- [CVE-2023-4550](https://insights.sbomify.com/CVE-2023-4550/): Unauthenticated Arbitrary File Read (high 7.5)
- [CVE-2023-4551](https://insights.sbomify.com/CVE-2023-4551/): Command Injection via Task Scheduler (high 7.2)
- [CVE-2023-4552](https://insights.sbomify.com/CVE-2023-4552/): Java Database Connectivity (JDBC) URL Manipulation (medium 5.5)
- [CVE-2023-4553](https://insights.sbomify.com/CVE-2023-4553/): Unauthenticated Access to AppBuilder Configuration Files (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4554 and fix it if it is affected.

What it is: CVE-2023-4554 is a medium-severity vulnerability in OpenText AppBuilder, published on 29 Jan 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-4554 in the wild and no public exploit code.

Affected product: OpenText AppBuilder. 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-2023-4554/ (Markdown: https://insights.sbomify.com/CVE-2023-4554/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4554
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4554
- OSV: https://osv.dev/vulnerability/CVE-2023-4554

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4554/
Summaries are generated and may contain mistakes; the official description above is the record.