A vulnerability has been discovered in Pluck, which can be exploited by malicious people to conduct cross-site request forgery attacks.

The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. change the site settings, or create or delete arbitrary posts by tricking the administrator into visiting a malicious web site.

This can further be exploited to conduct script insertion attacks via the "administration center".

The vulnerability is confirmed in version 4.6.3. Other versions may also be affected.

Solution
Update to version 4.6.4.

Provided and/or discovered by
* Script insertion reported by High-Tech Bridge SA.
* Independently reported by Russ McRee via Secunia.

Changelog
Further details available to Secunia VIM customers

Original Advisory
Pluck:
http://www.pluck-cms.org/index.php?file=kop11.php

High-Tech Bridge SA (HTB22610):
http://www.htbridge.ch/advisory/xss_vulnerability_in_pluck.html

Russ McRee:
http://holisticinfosec.org/content/view/154/45/

Deep Links
Links available to Secunia VIM customers