WordPress Plugin Newsletters is prone to multiple vulnerabilities, including cross-site scripting and remote code execution vulnerabilities. Exploiting these issues could allow an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site, allowing the attacker to steal cookie-based authentication credentials and launch other attacks, to execute arbitrary code with the privileges of the user running the application, to compromise the application or the underlying database, to access or modify data or to compromise a vulnerable system. WordPress Plugin Newsletters version 4.6.14 is vulnerable; prior versions may also be affected.
Disable the plugin until a fix is available
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