A Server-Side Template Injection (SSTI) vulnerability in the FreeMarker component of opensagres XDocReport v1.0.0 to v2.1.0 allows attackers to execute arbitrary code via injecting crafted template expressions.
https://hackmd.io/@cuongnh/SkQvhEf0lx
https://hackmd.io/@cuongnh/BJEnw7SAlg
https://github.com/opensagres/xdocreport/pull/705