XML External Entity (XXE) Processing

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.

Scores

EPSS (exploitation in 30 days)

0.43% · top 62% of all CVEs (7 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

• CWE-611 Improper Restriction of XML External Entity Reference (opens in a new tab)All about CWE-611 and its CVEs

Affected products

• OpenText · AppBuilder

  • unaffected 23.2
  • affected 21.2 – < 23.2

References (1)

• https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-4554](https://trackcve.app/badge/CVE-2023-4554.svg)](https://trackcve.app/cve/CVE-2023-4554)

Record last updated 29 May 2025, 15:08 UTC.