Description
WordPress Plugin Simple Download Monitor is prone to multiple vulnerabilities, including security bypass and information disclosure vulnerabilities. Exploiting these issues could allow an attacker to perform otherwise restricted actions and subsequently delete thumbnail images or download files without entering a password, or to obtain sensitive information that may help in launching further attacks. WordPress Plugin Simple Download Monitor version 3.2.8 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.2.9 or latest
References
http://www.pritect.net/blog/simple-download-monitor-3-2-8-security-vulnerability
https://wordpress.org/plugins/simple-download-monitor/changelog/