That's the CVS revision number, not the version, look a bit further down ;
Code:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
$Author: pem $
$Revision: 1.12 $
$Date: 2007/01/03 10:02:23 $
-->
<product productid="paulm_20061109" active="1">
<title>Guest Tracking</title>
<description>Track Guest Visits</description>
<version>1.10</version>
<url><![CDATA[https://vborg.vbsupport.ru/misc.php?do=producthelp&pid=paulm_20061109]]></url>
FYI: CVS revision 1.10 was version 1.08