TITLE:
phpwcms Disclosure of Sensitive Information and Cross-Site Scripting

SECUNIA ADVISORY ID:
SA17590

VERIFY ADVISORY:
http://secunia.com/advisories/17590/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
phpwcms 1.x
http://secunia.com/product/6129/

DESCRIPTION:
Stefan Lochbihler has reported some vulnerabilities in phpwcms, which
can be exploited by malicious people to conduct cross-site scripting
attacks and disclose sensitive information.

1) Input passed to the "form_lang" parameter in "login.php" isn't
properly verified, before it is used to include files. This can be
exploited to include arbitrary files from local resources.

2) Input passed to the "imgdir" parameter in "random_image.php" isn't
properly verified, before it is used to view a random image. This can
be exploited to disclose the content of arbitrary files via directory
traversal attacks.

3) Certain input passed to "act_newsletter.php" isn't 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.

The vulnerabilities have been reported in version 1.2.5. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Stefan Lochbihler

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