Description
WordPress Plugin WP Js External Link Info 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 WP Js External Link Info version 1.21 is vulnerable; prior versions may also be affected.
Remediation
Edit the source code to ensure that input is properly verified or disable the plugin until a fix is available
References
https://packetstormsecurity.com/files/135223/WordPress-JS-External-Link-Info-1.21-Open-Redirect.html