Description
WordPress Plugin Ninja Popups is prone to multiple vulnerabilities, including PHP object injection and local file inclusion vulnerabilities. Exploiting these issues could allow an attacker to possibly execute arbitrary PHP code within the context of the affected webserver process, or to obtain sensitive information that may help in further attacks. WordPress Plugin Ninja Popups version 4.5.3 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 4.5.4 or latest