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TITLE:
CMailServer Two Cross-Site Scripting Vulnerabilities

SECUNIA ADVISORY ID:
SA24812

VERIFY ADVISORY:
http://secunia.com/advisories/24812/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
CMailServer 5.x
http://secunia.com/product/4322/

DESCRIPTION:
Two vulnerabilities have been discovered in CMailServer, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to the "POP3Mail" and "Comment" parameters in
mail/signup.asp 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 confirmed in version 5.4.3. Other versions
may also be affected.

SOLUTION:
Do not follow links from untrusted sources.

Filter malicious characters or character sequences with a web proxy.

PROVIDED AND/OR DISCOVERED BY:
ajann and an anonymous person.

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About:
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vulnerabilities.

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