https://www.whiteoaksecurity.com/blog/logicaldoc-vulnerability-disclosure/
LogicalDOC - XML External Entity Injection (XXE)
A XML External Entity Injection vulnerability in the LogicalDOC Community Version 8.8.2 and earlier allows remote attackers to execute arbitrary code via a crafted entities.
To exploit this vulnerability an attacker must make a specially crafted request to the /docusign-callback endpoint
At the request of the vendor, a full proof of concept script has not been generated.
Reported to vendor on 10/4/22 Public Disclosure on 2/23/23
Brett DeWall (badbiddy) & Michael Rand (randomactsofsecurity)
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere