Description
WordPress Plugin Email Subscribers & Newsletters is prone to an SQL injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query. Exploiting this issue could allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. WordPress Plugin Email Subscribers & Newsletters version 4.1.7 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 4.1.8 or latest
References
https://fortiguard.com/zeroday/FG-VD-19-095
https://plugins.trac.wordpress.org/browser/email-subscribers/trunk/readme.txt
Related Vulnerabilities
OpenSSL Use of a Broken or Risky Cryptographic Algorithm Vulnerability (CVE-2021-23839)
Oracle Database Server CVE-2008-0346 Vulnerability (CVE-2008-0346)
Ruby on Rails Use of Externally-Controlled Format String Vulnerability (CVE-2013-4389)
WordPress Deserialization of Untrusted Data Vulnerability (CVE-2018-20148)