CVE-2025-66372 – Mustang XML External Entity (XXE) Exfiltration Vulnerability

The following table lists the changes that have been made to the
CVE-2025-66372 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Nov. 28, 2025

    Action Type Old Value New Value
    Added Description Mustang before 2.16.3 allows exfiltrating files via XXE attacks.
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
    Added CWE CWE-611
    Added Reference https://github.com/ZUGFeRD/mustangproject/issues/685
    Added Reference https://github.com/ZUGFeRD/mustangproject/pull/725
    Added Reference https://github.com/ZUGFeRD/mustangproject/releases/tag/core-2.16.3
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