Description
WordPress Plugin Duplicate Post is prone to multiple vulnerabilities, including cross-site scripting and SQL injection vulnerabilities because it fails to properly sanitize user-supplied input. An attacker may leverage these issues to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site, to steal cookie-based authentication credentials, to compromise the application, access or modify data or to exploit vulnerabilities in the underlying database. WordPress Plugin Duplicate Post version 2.5 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.6 or latest
References
https://security.dxw.com/advisories/xss-in-duplicate-post-2-4-1/
https://wordpress.org/support/topic/possible-sql-injection-2
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