CVE-2023-4554: appbuilder XXE (CVSS 4.9)

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.

Is your site exposed to CVE-2023-4554?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-611 CWE-611

Affected Products

Vendor	Product	Versions
opentext	appbuilder	21.2 — 23.2
linux	linux_kernel	All
microsoft	windows	All

References

Other References

https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b

Frequently Asked Questions

What is CVE-2023-4554? +

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. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2023-4554? +

CVE-2023-4554 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-4554? +

CVE-2023-4554 affects products from linux, microsoft, opentext, specifically: appbuilder, linux_kernel, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-4554? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-27136

LocalS3 is an Amazon S3 mock service for testing and local development. Prior to version 1.21, the LocalS3 service's bucket …

CVE-2025-47778

Sulu is an open-source PHP content management system based on the Symfony framework. Starting in versions 2.5.21, 2.6.5, and 3.0.0-alpha1, …

CVE-2025-4639

CWE-611 Improper Restriction of XML External Entity Reference in the getDocumentBuilder() method of WebDav servlet in Peergos. This issue affects …

CVE-2025-4641

Improper Restriction of XML External Entity Reference vulnerability in bonigarcia webdrivermanager WebDriverManager on Windows, MacOS, Linux (XML parsing components modules) …

CVE-2025-48882

PHPOffice Math is a library that provides a set of classes to manipulate different formula file formats. Prior to version …

CVE-2025-47293

PowSyBl (Power System Blocks) is a framework to build power system oriented software. Prior to version 6.7.2, in certain places, …

CVE-2023-4554