ASUSTOR Data Master 3.1.5 and below makes an HTTP request for a configuration file that is vulnerable to XSS. A man in the middle can take advantage of this by inserting Javascript into the configuration files Version field.
Source: MITRE
Published: 2018-08-27
Updated: 2018-10-30
Type: CWE-79
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Impact Score: 2.7
Exploitability Score: 2.8
Severity: MEDIUM