CVE-2021-27340
OpenSIS Community Edition version <= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the "opt" parameter. Date published : 2021-09-16 https://github.com/OS4ED/openSIS-Classic/commit/f78407d5291c686c3f416073dcb9143f3a3d5489#diff-24b751f2072f058259d033016938101f9fa29884ebcc09ce7eb88def3421e5ba