XXE in Mustangproject Mustang

CVE-2025-66372

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.8 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-66372?
CVE-2025-66372 is a low-severity vulnerability in Mustangproject Mustang, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 2.8/10. Published 2025-11-28.
How severe is CVE-2025-66372?
Low severity. CVSS v3 base score is 2.8 out of 10.