The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated users to discover all subscriber e-mail addresses.
https://www.wordfence.com/blog/2016/07/3-vulnerabilities-wp-maintenance-mode/
Source: Mitre, NVD
Published: 2018-12-14
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N
Severity: Medium
Base Score: 4.3
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N