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2003: 2,700 advisories published
2004: 3,100 advisories published
2005: 4,600 advisories published
2006: 5,300 advisories published

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TITLE:
OpenNewsletter "type" Cross-Site Scripting

SECUNIA ADVISORY ID:
SA27966

VERIFY ADVISORY:
http://secunia.com/advisories/27966/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
OpenNewsletter 2.x
http://secunia.com/product/12983/

DESCRIPTION:
Manuel Fernandez has discovered a vulnerability in OpenNewsletter,
which can be exploited by malicious people to conduct cross-site
scripting attacks.

Input passed to the "type" parameter in compose.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.

Successful exploitation requires that the target user is logged in.

The vulnerability is confirmed in version 2.5.1 and reported in
version 2.5. Other versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Manuel Fernandez a.k.a. Manu

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058895.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


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