Yes, it's been a week so here's a new vulnerability ::)
Please update your Joomla installation to avoid compromise/exploitation.
http://developer.joomla.org/security/news/303-20090723-core-com-mailto-timeout-issue.html
Quote
[20090723] - Core - com_mailto Timeout Issue
Posted: 22 Jul 2009 04:36 PM PDT
Project: Joomla!
SubProject: com_mailto
Severity: Low
Versions: 1.5.13 and all previous 1.5 releases
Exploit type: Email
Reported Date: 2009-July-28
Fixed Date: 2009-July-30
Description
In com_mailto, it was possible to bypass timeout protection against sending automated emails.
Affected Installs
All 1.5.x installs prior to and including 1.5.13 are affected.
Solution
Upgrade to latest Joomla! version (1.5.14 or newer).
Reported by WHK and Gergő Erdősi
Contact
The JSST at the Joomla! Security Center.