• Project: Joomla!
  • SubProject: All
  • Severity: Low
  • Versions: 1.5.15 and all previous 1.5 releases
  • Exploit type: Code upload
  • Reported Date: 2009-Dec-30
  • Fixed Date: 2010-Apr-23


The migration script in the Joomla! installer does not check the file type being uploaded. If the installation application is present, an attacker could use it to upload malicious files to a server.

Affected Installs

All 1.5.x installs prior to and including 1.5.15 are affected.


Upgrade to the latest Joomla! version (1.5.16 or later)


The JSST at the Joomla! Security Centre.

Reported By: Nicola Bettini