Open Source Matters · Joomla! · CVE-2007-6642
**Name of the Vulnerable Software and Affected Versions**
Joomla! versions prior to 1.5 RC4
**Description**
The issue allows remote attackers to perform several malicious actions, including adding a Super Admin, uploading an extension containing arbitrary PHP code, and modifying the configuration as administrators.
**Recommendations**
For versions prior to 1.5 RC4, update to version 1.5 RC4 or later to resolve the issue.