TITLE:
foxrum "url" bbcode Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA18386

VERIFY ADVISORY:
http://secunia.com/advisories/18386/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
foxrum 4.x
http://secunia.com/product/6766/

DESCRIPTION:
Aliaksandr Hartsuyeu has discovered a vulnerability in foxrum, which
can be exploited by malicious people to conduct script insertion
attacks.

Input passed via the "url" bbcode tag when posting a message isn't
properly verified, before being used. This can be exploited to inject
arbitrary HTML and script code, which will be executed in a user's
browser session in context of an affected site when a malicious link
with the "JavaScript" URI handler is followed from a malicious
message.

The vulnerability has been confirmed in version 4.0.4f. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Aliaksandr Hartsuyeu

ORIGINAL ADVISORY:
http://evuln.com/vulns/20/summary.html

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