A vulnerability has been reported in Smarty, which can be exploited by malicious people to conduct cross-site scripting attacks.
Certain input is not properly sanitised in the "smarty_function_html_options_optoutput()" function in distribution/libs/plugins/function.html_options.php before being returned to the user. This can potentially be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerability is reported in version 3.1.8. Other versions may also be affected.
Solution: Update to version 3.1.9.
Provided and/or discovered by: Reported by ikehiroki in a bug report.
Original Advisory: http://smarty-php.googlecode.com/svn/trunk/distribution/change_log.txt
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