The Ultimate Member (aka ultimatemember) plugin before 2.0.18 for WordPress has XSS via the wp-admin settings screen.
https://wpvulndb.com/vulnerabilities/9708
https://github.com/ultimatemember/ultimatemember/releases/tag/2.0.18
https://github.com/ultimatemember/ultimatemember/issues/456
Source: Mitre, NVD
Published: 2018-07-04
Updated: 2019-09-18
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
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