Joomla! Developer Network

  • Project: Joomla!
  • SubProject: All
  • Severity: High
  • Versions: 1.5.24 and all earlier 1.5 versions
  • Exploit type: Password Change
  • Reported Date: 2011-October-28
  • Fixed Date: 2011-November-14


Weak random number generation during password reset leads to possibility of changing a user's password.

Affected Installs

Joomla! version 1.5.24 and all earlier 1.5 versions


Upgrade to the latest Joomla! 1.5 version (1.5.25 or later)

Reported by Gregor Kopf and David Jardin


The JSST at the Joomla! Security Center.

Current Release

Legacy Release

Note: View known compatibility Issues

Current Release: 1.1.0

Upcoming Release: 1.2

Joomla! Reading

Joomla! Programming

Joomla! Programming

Mark Dexter & Louis Landry
Joomla! Templates

Joomla! Templates

Angie Radtke