{"id":"CVE-2021-40492","aliases":["EUVD-2021-27669","GHSA-qxgj-gjcq-4732"],"status":"published","title":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application...","description":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of JavaScript (gibbonCourseClassID, gibbonPersonID, subpage, currentDate, or allStudents to index.php).","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02316,"percentile":0.83647,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-09-03T16:47:33Z","modified":"2026-10-24T10:30:51Z","exploits":[{"source":"pocgithub","id":"5qu1n7/CVE-2021-40492","title":"5qu1n7/CVE-2021-40492","date":"2021-09-02","url":"https://github.com/5qu1n7/CVE-2021-40492"}],"products":[{"vendor":"gibbonedu","product":"gibbon"}],"references":[{"url":"https://gibbonedu.org/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/5qu1n7/CVE-2021-40492","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40492"},{"url":"https://github.com/advisories/GHSA-qxgj-gjcq-4732"}],"sources":{"cve":[{"id":"CVE-2021-40492","description":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of JavaScript (gibbonCourseClassID, gibbonPersonID, subpage, currentDate, or allStudents to index.php).","status":"published","published":"2021-09-03T16:47:33Z","modified":"2024-08-04T02:44:10.848Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27669","description":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of JavaScript (gibbonCourseClassID, gibbonPersonID, subpage, currentDate, or allStudents to index.php).","status":"published","published":"2021-09-03T16:47:33Z","modified":"2024-08-04T02:44:10Z","updated_at":"2026-11-03T03:24:20.264881Z"}],"ghsa":[{"id":"GHSA-qxgj-gjcq-4732","title":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application...","description":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of JavaScript (gibbonCourseClassID, gibbonPersonID, subpage, currentDate, or allStudents to index.php).","status":"published","published":"2022-05-24T19:13:00Z","modified":"2023-01-30T05:01:53Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:30.744651Z"}],"nvd":[{"id":"CVE-2021-40492","description":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of JavaScript (gibbonCourseClassID, gibbonPersonID, subpage, currentDate, or allStudents to index.php).","status":"published","published":"2021-09-03T17:15:07.693Z","modified":"2026-06-17T04:07:02.167Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:58.05696Z"}],"osv":[{"id":"CVE-2021-40492","description":"A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of JavaScript (gibbonCourseClassID, gibbonPersonID, subpage, currentDate, or allStudents to index.php).","status":"published","published":"2021-09-03T17:15:07.693Z","modified":"2026-10-24T10:30:51.731853493Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.249056Z"}]}}