{"id":"CVE-2021-40542","details":"Opensis-Classic Version 8.0 is affected by cross-site scripting (XSS). An unauthenticated user can inject and execute JavaScript code through the link_url parameter in Ajax_url_encode.php.","modified":"2026-08-27T08:40:40.188082Z","published":"2021-10-11T13:15:07.417Z","references":[{"type":"REPORT","url":"https://github.com/OS4ED/openSIS-Classic/issues/189"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/OS4ED/openSIS-Classic","events":[{"introduced":"0a2d61fff35900fc91566e6621d49959599bcb4e"},{"last_affected":"0a2d61fff35900fc91566e6621d49959599bcb4e"}],"database_specific":{"cpe":"cpe:2.3:a:os4ed:opensis:8.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING"}}],"versions":["8.0","V8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40542.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/os4ed/opensis-classic","events":[{"introduced":"0a2d61fff35900fc91566e6621d49959599bcb4e"},{"last_affected":"0a2d61fff35900fc91566e6621d49959599bcb4e"}],"database_specific":{"cpe":"cpe:2.3:a:os4ed:opensis:8.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING"}}],"versions":["8.0","V8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40542.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}