CVE-2007-6205 Dec 10 2007 02:01PM
Hanno Böck (hanno hboeck de)
Source: http://www.int21.de/cve/CVE-2007-6205-s9y.html

Cross site scripting (XSS) in rss feed plugin of Serendipity 1.2

References
http://www.s9y.org/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6205

Description
The Serendipity blog system contains a plugin to display the content of feeds
in the sidebar (serendipity_plugin_remoterss). If an attacker can modify the
RSS feed, it's possible to inject javascript code in the link part, because
it's not correctly escaped.

Sample code
Sample feed injecting code:
<rss version="2.0">
<channel><item><title>foo</title>
<link>" onMouseOver="alert(1)</link></item></channel>
</rss>

Workaround/Fix
Serendipity developers have fixed this in svn and all further version, please
update to 1.2.1 or above.

CVE Information
The Common Vulnerabilities and Exposures (CVE) project has assigned the name
CVE-2007-6205 to this issue. This is a candidate for inclusion in the CVE
list (http://cve.mitre.org/), which standardizes names for security problems.

Credits and copyright
This vulnerability was discovered by Hanno Boeck of schokokeks.org webhosting.
It's licensed under the creative commons attribution license.

Hanno Boeck, 2007-12-05, http://www.hboeck.de

--
Hanno Böck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber/Mail: hanno (at) hboeck (dot) de [email concealed]
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