Joomla JCE Admin Component Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA23160

VERIFY ADVISORY:
http://secunia.com/advisories/23160/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
JCE Admin Component 1.x (component for Joomla)
http://secunia.com/product/12839/

DESCRIPTION:
Gummiente has discovered some vulnerabilities in the JCE Admin
component for Joomla, which can be exploited by malicious people to
conduct cross-site scripting attacks and disclose sensitive
information.

1) Input passed to the "img", "title", "w", and "h" parameters within
jce.php is not properly sanitised before being returned 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) Input passed to the "plugin" and "file" parameters within jce.php
is not properly verified before being used to include files. This can
be exploited to include arbitrary files from local resources.

The vulnerabilities are confirmed in version 1.0.4 with Security
Patch (2006-08-21). Other versions  may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
verified.

PROVIDED AND/OR DISCOVERED BY:
Gummiente

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