{"id":"CVE-2020-18723","aliases":["EUVD-2020-10640","GHSA-7c3h-wh3g-298c"],"status":"published","title":"Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an...","description":"Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03963,"percentile":0.90583,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-02-03T17:25:14Z","modified":"2026-06-17T02:59:26Z","exploits":[{"source":"exploitdb","id":"EDB-49537","title":"Alt-N MDaemon webmail 20.0.0 - 'file name' Stored Cross Site Scripting (XSS)","type":"webapps","platform":"windows","date":"2021-02-08","url":"https://www.exploit-db.com/exploits/49537"}],"products":[{"vendor":"altn","product":"mdaemon_webmail"}],"references":[{"url":"http://kailashbohara.com.np/blog/2020/07/15/mdaemon-stored-xss","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.altn.com/Support/SecurityUpdate/MD082520_MDaemon_EN/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/161332/Alt-N-MDaemon-Webmail-20.0.0-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18723"},{"url":"https://github.com/advisories/GHSA-7c3h-wh3g-298c"}],"sources":{"cve":[{"id":"CVE-2020-18723","description":"Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities.","status":"published","published":"2021-02-03T17:25:14Z","modified":"2024-08-04T14:08:29.703Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10640","description":"Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities.","status":"published","published":"2021-02-03T17:25:14Z","modified":"2024-08-04T14:08:29Z","updated_at":"2026-11-03T03:07:26.397496Z"}],"ghsa":[{"id":"GHSA-7c3h-wh3g-298c","title":"Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an...","description":"Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities.","status":"published","published":"2022-05-24T17:40:53Z","modified":"2023-01-29T05:06:21Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:00.036476Z"}],"nvd":[{"id":"CVE-2020-18723","description":"Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities.","status":"published","published":"2021-02-03T18:15:16.053Z","modified":"2026-06-17T02:59:26.133Z","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":"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":"2026-11-02T14:06:34.188486Z"}]}}