{"id":"CVE-2021-31835","aliases":["EUVD-2021-18710","GHSA-qvx2-3pfh-24vj"],"status":"published","title":"McAfee ePO Cross-Site Scripting vulnerability","description":"Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 11 allows ePO administrators to inject arbitrary web script or HTML via a specific parameter where the administrator's entries were not correctly sanitized.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00561,"percentile":0.47157,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-22T11:05:11Z","modified":"2026-06-17T03:52:19Z","products":[{"vendor":"mcafee","product":"epolicy_orchestrator"},{"vendor":"mcafee,llc","product":"mcafee epolicy orchestrator (epo)"}],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10366","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31835"},{"url":"https://github.com/advisories/GHSA-qvx2-3pfh-24vj"}],"sources":{"cve":[{"id":"CVE-2021-31835","title":"McAfee ePO Cross-Site Scripting vulnerability","description":"Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 11 allows ePO administrators to inject arbitrary web script or HTML via a specific parameter where the administrator's entries were not correctly sanitized.","status":"published","published":"2021-10-22T11:05:11Z","modified":"2024-08-03T23:10:30.688Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18710","description":"Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 11 allows ePO administrators to inject arbitrary web script or HTML via a specific parameter where the administrator's entries were not correctly sanitized.","status":"published","published":"2021-10-22T11:05:11Z","modified":"2024-08-03T23:10:30Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:37.97373Z"}],"ghsa":[{"id":"GHSA-qvx2-3pfh-24vj","title":"Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 11...","description":"Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 11 allows ePO administrators to inject arbitrary web script or HTML via a specific parameter where the administrator's entries were not correctly sanitized.","status":"published","published":"2022-05-24T19:18:41Z","modified":"2023-11-15T21:35:02Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:55:02.891904Z"}],"nvd":[{"id":"CVE-2021-31835","description":"Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 11 allows ePO administrators to inject arbitrary web script or HTML via a specific parameter where the administrator's entries were not correctly sanitized.","status":"published","published":"2021-10-22T11:15:07.9Z","modified":"2026-06-17T03:52:19.193Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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":"2026-11-02T14:07:00.137719Z"}]}}