tDiary 'tb-send.rb' Plugin Cross-Site Scripting Vulnerability

Summary
The host is running tDiary and is prone to Cross-Site Scripting Vulnerability.
Impact
Successful exploitation will allow remote attackers to execute arbitrary HTML and script code in a user's browser session in the context of an affected site. Impact Level: Application
Solution
Update to version 2.2.3 or later. For updates refer to http://www.tdiary.org/
Insight
The flaw is due to improper validation of the 'plugin_tb_url' and 'plugin_tb_excerpt' parameters upon submission to the tb-send.rb plugin script.
Affected
tDiary versions prior to 2.2.3
References