osTicket before 1.14.3 allows XSS via a crafted filename to DraftAjaxAPI::_uploadInlineImage() in include/ajax.draft.php.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24917
Reference (s):
- https://github.com/osTicket/osTicket/commit/518de223933eab0c5558741ce317f36958ef193d
- https://github.com/osTicket/osTicket/compare/v1.14.2 v1.14.3
- https://sisl.lab.uic.edu/projects/chess/osticket-xss/