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TITLE:
Unclassified NewsBoard "Description" Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA16726

VERIFY ADVISORY:
http://secunia.com/advisories/16726/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Unclassified NewsBoard 1.x (UNB)
http://secunia.com/product/5672/

DESCRIPTION:
rgod has discovered a vulnerability in Unclassified NewsBoard, which
can be exploited by malicious people to conduct script insertion
attacks.

Input passed to the "Description" field when posting a message isn't
properly sanitised 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 the malicious
post is viewed.

The vulnerability has been confirmed in version 1.5.3. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
rgod

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About:
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everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/


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