Description
WordPress Plugin WordPress Download Manager is prone to an open redirect vulnerability because the application fails to properly verify user-supplied input. Exploiting this issue may allow attackers to redirect users to arbitrary web sites and conduct phishing attacks; other attacks are also possible. WordPress Plugin WordPress Download Manager version 2.9.50 is vulnerable; prior versions are also affected.
Remediation
Update to plugin version 2.9.51 or latest
References
http://jvn.jp/en/jp/JVN79738260/index.html
https://plugins.svn.wordpress.org/download-manager/trunk/readme.txt