XMLUnit for Java before 2.10.0, in the default configuration, might allow code execution via an untrusted stylesheet (used for an XSLT transformation), because XSLT extension functions are enabled.
Exploitability
AV:LAC:HPR:NUI:NScope
S:UImpact
C:LI:LA:N4/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:NOther