The relevant plugin before 1.0.8 for WordPress has XSS.
https://wpvulndb.com/vulnerabilities/8361
https://wordpress.org/plugins/relevant/#developers
Source: Mitre, NVD
Published: 2019-09-20
Updated: 2019-09-20
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
EPSS: 0.0019