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TITLE:
SimpNews Two Cross-Site Scripting Vulnerabilities

SECUNIA ADVISORY ID:
SA26965

VERIFY ADVISORY:
http://secunia.com/advisories/26965/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
SimpNews 2.x
http://secunia.com/product/1895/

DESCRIPTION:
Jesper Jurcenoks has reported two vulnerabilities in SimpNews, which
can be exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to the "l_username" parameter in admin/layout2b.php and
"backurl" in comment.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.

The vulnerabilities are reported in version 2.41.03. Other versions
may also be affected.

SOLUTION:
Update to version 2.42.01.

PROVIDED AND/OR DISCOVERED BY:
Jesper Jurcenoks

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/066053.html

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