The plugmatter-optin-feature-box-lite plugin before 2.0.14 for WordPress has SQL injection via the wp-admin/admin-ajax.php?action=pmfb_cc pmfb_tid parameter.
https://wpvulndb.com/vulnerabilities/8340
http://cinu.pl/research/wp-plugins/mail_ec951d52aa603c9caaca8c7005b84004.html
https://wordpress.org/plugins/plugmatter-optin-feature-box-lite/#developers
Source: Mitre, NVD
Published: 2019-10-07
Updated: 2019-10-09
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00713