Steven Roddis has discovered a vulnerability in TorrentFlux, which can be exploited by malicious users to conduct script insertion attacks.
Input passed to the "User-Agent" HTTP header is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in an administrator's browser session in context of an affected site when the "Activity Log" is viewed.
The vulnerability has been confirmed in version 2.1. Other versions may also be affected.
Solution: Update to version 2.2.
Provided and/or discovered by: Steven Roddis
Original Advisory: http://www.stevenroddis.com.au/2006/10/06/torrentflux-user-agent-xss-vulnerability/
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