All latest versions of moodle have new mimetex executables included to fix a recently found mimetex security issue - advisory available by Petr S in http://moodle.org/mod/forum/discuss.php?d=128474
Just in case somebody is wondering why some old posts have popped up in the Mathematics tools forum http://moodle.org/mod/forum/view.php?id=752 I changed some links to my mimetex cgi server to avoid red warnings like this attached gif:
Mathematics tools
New Mimetex executables
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