Description
WordPress Plugin Email Subscribers by Icegram Express-Email Marketing, Newsletters, Automation for WordPress & WooCommerce is prone to an information disclosure vulnerability. Attackers can exploit this issue to obtain sensitive information that may help in launching further attacks. WordPress Plugin Email Subscribers by Icegram Express-Email Marketing, Newsletters, Automation for WordPress & WooCommerce version 3.4.7 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.4.8 or latest
References
https://blog.threatpress.com/vulnerability-email-subscribers-plugin/
https://www.exploit-db.com/exploits/43872/
https://plugins.svn.wordpress.org/email-subscribers/trunk/readme.txt