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Unrated severityNVD Advisory· Published Jan 29, 2024· Updated May 29, 2025

XML External Entity (XXE) Processing

CVE-2023-4554

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.

Affected products

2
  • Opentext/AppBuilderllm-fuzzy2 versions
    >=21.2 <23.2+ 1 more
    • (no CPE)range: >=21.2 <23.2
    • (no CPE)range: 21.2

Patches

Vulnerability mechanics

References

1

News mentions

0

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