A GET-based XSS reflected vulnerability in Plesk Onyx 17.8.11 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11584
Reference (s):
- https://medium.com/@0x00crash/xss-reflected-in-plesk-onyx-and-obsidian-1173a3eaffb5