{"id":"CVE-2021-27340","details":"OpenSIS Community Edition version \u003c= 7.6 is affected by a reflected XSS vulnerability in EmailCheck.php via the \"opt\" parameter.","modified":"2026-03-10T23:28:35.802480Z","published":"2021-09-16T14:15:07.410Z","references":[{"type":"WEB"},{"type":"ADVISORY","url":"https://github.com/OS4ED/openSIS-Classic/releases"},{"type":"REPORT","url":"https://github.com/OS4ED/openSIS-Classic/issues/158"},{"type":"FIX","url":"https://github.com/OS4ED/openSIS-Classic/commit/f78407d5291c686c3f416073dcb9143f3a3d5489#diff-24b751f2072f058259d033016938101f9fa29884ebcc09ce7eb88def3421e5ba"}],"affected":[{"ranges":[{"repo":"https://github.com/os4ed/opensis-classic","events":[{"introduced":"0"},{"fixed":"f78407d5291c686c3f416073dcb9143f3a3d5489"}]},{"type":"GIT","repo":"https://github.com/os4ed/opensis-responsive-design","events":[{"introduced":"0"},{"last_affected":"445edc6eb3c6f0a1232fd048846bcc51e6e58105"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"7.6"}]}}],"versions":["V7.5","V7.6","Ver7.0Prod","Ver7.0Prod_update","Ver7.0beta1","v7.1","v7.2","v7.3","ver7.1","ver7.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-27340.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}