Description
WordPress Plugin Email Subscribers by Icegram Express-Email Marketing, Newsletters, Automation for WordPress & WooCommerce is prone to a vulnerability that lets remote attackers inject arbitrary formulas into CSV files. Attackers can possibly exploit this issue to execute arbitrary commands on the victim's system, by the use of Microsoft Excel DDE function, or to leak data via maliciously injected hyperlinks. WordPress Plugin Email Subscribers by Icegram Express-Email Marketing, Newsletters, Automation for WordPress & WooCommerce version 5.5.2 is vulnerable; prior versions are also affected.
Remediation
Update to plugin version 5.5.3 or latest