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

Medium 4.9 Published 29 Jan 2024 Updated 29 May 2025

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

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

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

Which versions are affected by CVE-2023-4554?

It affects 1 product.

Products include 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.

Sources

Also known as GHSA-wgfc-hm58-hx63.