Russ McRee has discovered some vulnerabilities in Webessence CMS, which can be exploited by malicious people to conduct cross-site scripting and request forgery attacks.
1) Input passed to the "type" parameter in webessence/admin/media.php is not properly sanitised before being displayed to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
2) 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. delete pages or users by tricking an administrative user into visiting a malicious web site.
The vulnerabilities are confirmed in version 1.0. Other versions may also be affected.
Solution: Update to version 1.0.2.
Provided and/or discovered by: Reported by Russ McRee, HolisticInfoSec via Secunia.
Original Advisory: Webessence CMS:
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Subject: Webessence CMS Cross-Site Scripting and Request Forgery Vulnerabilities
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