TITLE:
MODx Cross-Site Scripting and Directory Traversal

SECUNIA ADVISORY ID:
SA19645

VERIFY ADVISORY:
http://secunia.com/advisories/19645/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
MODx 0.x
http://secunia.com/product/9369/

DESCRIPTION:
Rusydi Hasan M has reported two vulnerabilities in MODx, which can be
exploited by malicious people to conduct cross-site scripting attacks
and disclose sensitive information.

1) Input passed to the "id" parameter in index.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 "id" parameter in index.php is not properly
sanitised before being used to view files. This can be exploited to
disclose the contents of arbitrary files via directory traversal
attacks.

The vulnerabilities have been reported in version 0.9.1. Other
versions may also be affected.

SOLUTION:
Apply patch.
http://modxcms.com/forums/index.php/topic,3982.0.html

PROVIDED AND/OR DISCOVERED BY:
Rusydi Hasan M

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