The WordPress plugin, Email Subscribers & Newsletters, before 4.2.3 had a flaw that allowed for CSRF to be exploited on all plugin settings.
https://www.wordfence.com/blog/2019/11/multiple-vulnerabilities-patched-in-email-subscribers-newsletters-plugin/
https://wpvulndb.com/vulnerabilities/9946
Source: Mitre, NVD
Published: 2019-12-26
Updated: 2020-08-24
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L