OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Group Timeline module.
https://www.openteknik.com/contact?channel=ossn
https://www.opensource-socialnetwork.org/
https://github.com/opensource-socialnetwork/opensource-socialnetwork/releases/tag/6.3