A vulnerability has been reported in the PicSell component for Joomla!, which can be exploited by malicious people to disclose sensitive information.
Input passed via the "dflink" parameter to index.php (when "option" is set to "com_picsell", "controller" is set to "prevsell", and "task" is set to "dwnfree") is not properly verified before being used to read files. This can be exploited to download arbitrary files from local resources via directory traversal sequences.
The vulnerability is reported in version 1.0. Other versions may also be affected.
Solution: Reportedly fixed in version 11.
Provided and/or discovered by: Craw
Original Advisory: http://docs.joomla.org/Vulnerable_Extensions_List#PicSell
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