The plugin does not escape some of its settings before outputting them in the admins dashboard, allowing high privilege users to perform Cross-Site Scripting attacks against other users even when the unfiltered_html capability is disallowed.
Put the following payload in the Post SMTP > Settings > Advanced > "Temporary Directory" settings: /tmp" style=animation-name:rotation onanimationstart=alert(/XSS/)//
Raad Haddad of Cloudyrion GmbH
Raad Haddad of Cloudyrion GmbH
Yes
2022-08-22 (about 9 months ago)
2022-08-22 (about 9 months ago)
2023-05-11 (about 23 days ago)