Insufficient sanitizing in the TeX notation filter resulted in an arbitrary file read risk on sites where pdfTeX is available (such as those with TeX Live installed).Referenceshttps://moodle.org/mod/forum/discuss.php?d=466141https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84136
