Secunia

Description
Alexander Brachmann has reported a vulnerability in the Freetag plugin for Serendipity, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed in the URL 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 uses Internet Explorer 6-7 or Netscape Navigator 8.x.

The vulnerability is reported in version 2.95. Prior versions may also be affected.

Solution
Update to version 2.96.

Provided and/or discovered by
Alexander Brachmann

Changelog
Further details available in Customer Area

Original Advisory
Serendipity:
http://blog.s9y.org/archives/190-Freetag-plugin-updated-to-prevent-XSS.html

Alexander Brachmann:
http://lists.grok.org.uk/pipermail/full-disclosure/2008-February/060122.html

Deep Links
Links available in Customer Area