TITLE:
Exponent CMS image gallery Module Script Insertion and Full Path
Disclosure

SECUNIA ADVISORY ID:
SA17655

VERIFY ADVISORY:
http://secunia.com/advisories/17655/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting, Exposure of system information

WHERE:
>From remote

SOFTWARE:
image gallery 0.x (module for Exponent CMS)
http://secunia.com/product/6178/

DESCRIPTION:
Hans Wolters has reported a weakness and a vulnerability in the image
gallery module for Exponent CMS, which can be exploited by malicious
users to disclose system information and conduct script insertion
attacks.

1) The problem is that the full path to the installation is shown
when placing preview icons.

2) An input validation error in the upload handling can be exploited
to upload documents containing arbitrary HTML and script code, which
will be executed in a user's browser session in context of an
affected site when the malicious document is viewed.

SOLUTION:
The vulnerability and the weakness have been fixed in the CVS
repository.

PROVIDED AND/OR DISCOVERED BY:
Hans Wolters

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