Description
WordPress Plugin Contact Form for WordPress-Ultimate Form Builder Lite is prone to multiple vulnerabilities, including PHP object injection and SQL injection vulnerabilities. A successful exploit may allow an attacker to execute arbitrary PHP code within the context of the affected webserver process or to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. WordPress Plugin Contact Form for WordPress-Ultimate Form Builder Lite version 1.3.6 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.3.7 or latest
References
https://www.wordfence.com/blog/2017/10/zero-day-vulnerability-ultimate-form-builder-lite/
https://plugins.svn.wordpress.org/ultimate-form-builder-lite/trunk/readme.txt