{"id":"CVE-2021-3920","aliases":["EUVD-2021-27138","GHSA-86p4-m52q-r4qx"],"status":"published","title":"Cross-site Scripting (XSS) - Stored in getgrav/grav-plugin-admin","description":"grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","severity":{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01374,"percentile":0.72209,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-11-19T12:15:11Z","modified":"2026-10-20T10:54:53Z","products":[{"vendor":"getgrav","product":"getgrav/grav-plugin-admin"},{"vendor":"getgrav","product":"grav-plugin-admin"}],"references":[{"url":"https://huntr.dev/bounties/ab564760-90c6-4e1d-80c2-852f45034cd1","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/getgrav/grav-plugin-admin/commit/6463135bf046d8131189c163158cd5db8f7a9675","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3920"},{"url":"https://github.com/advisories/GHSA-86p4-m52q-r4qx"}],"sources":{"cve":[{"id":"CVE-2021-3920","title":"Cross-site Scripting (XSS) - Stored in getgrav/grav-plugin-admin","description":"grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-11-19T12:15:11Z","modified":"2024-08-03T17:09:09.696Z","cvss":[{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-27138","description":"grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-11-19T12:15:11Z","modified":"2024-08-03T17:09:09Z","cvss":[{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:25:11.376657Z"}],"ghsa":[{"id":"GHSA-86p4-m52q-r4qx","title":"grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation (...","description":"grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2022-05-24T19:21:08Z","modified":"2023-01-30T05:03:50Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:55.198962Z"}],"nvd":[{"id":"CVE-2021-3920","description":"grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-11-19T13:15:09.83Z","modified":"2026-06-17T04:05:59.547Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":4.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:01.428028Z"}],"osv":[{"id":"CVE-2021-3920","description":"grav-plugin-admin is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-11-19T13:15:09.83Z","modified":"2026-10-20T10:54:53.436801185Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}