{"id":"CVE-2021-31739","aliases":["EUVD-2021-18623","GHSA-5q2f-65mc-6jvf"],"status":"published","title":"The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user...","description":"The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.","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":"2026-11-12","score":0.00459,"percentile":0.40291,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-11-18T00:00:00Z","modified":"2026-06-17T03:52:11Z","products":[{"vendor":"seppmail","product":"seppmail"}],"references":[{"url":"https://www.pentagrid.ch/en/blog/multiple-vulnerabilities-in-seppmail/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31739"},{"url":"https://www.pentagrid.ch/en/blog/multiple-vulnerabilities-in-seppmail"},{"url":"https://github.com/advisories/GHSA-5q2f-65mc-6jvf"}],"sources":{"cve":[{"id":"CVE-2021-31739","description":"The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.","status":"published","published":"2022-11-18T00:00:00Z","modified":"2025-04-29T19:17:51.698Z","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":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18623","description":"The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.","status":"published","published":"2022-11-18T00:00:00Z","modified":"2025-04-29T19:17:51Z","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":"2026-11-02T20:52:00.012701Z"}],"ghsa":[{"id":"GHSA-5q2f-65mc-6jvf","title":"The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user...","description":"The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.","status":"published","published":"2022-11-19T00:30:55Z","modified":"2025-04-29T21:32:28Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:02:04.142676Z"}],"nvd":[{"id":"CVE-2021-31739","description":"The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.","status":"published","published":"2022-11-18T23:15:18.91Z","modified":"2026-06-17T03:52:11.487Z","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":"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":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}