{"id":"CVE-2021-40377","aliases":["EUVD-2021-27554","GHSA-wrqj-gjcp-v24r"],"status":"published","title":"SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize...","description":"SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.","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":"2026-11-10","score":0.00466,"percentile":0.40643,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-09-08T10:57:35Z","modified":"2026-06-17T04:06:49Z","products":[{"vendor":"smartertools","product":"smartermail"}],"references":[{"url":"https://www.smartertools.com/smartermail/release-notes/current","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40377"},{"url":"https://github.com/advisories/GHSA-wrqj-gjcp-v24r"}],"sources":{"cve":[{"id":"CVE-2021-40377","description":"SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.","status":"published","published":"2021-09-08T10:57:35Z","modified":"2024-08-04T02:44:09.493Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27554","description":"SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.","status":"published","published":"2021-09-08T10:57:35Z","modified":"2024-08-04T02:44:09Z","updated_at":"2026-11-03T03:24:20.862157Z"}],"ghsa":[{"id":"GHSA-wrqj-gjcp-v24r","title":"SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize...","description":"SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.","status":"published","published":"2022-05-24T19:13:53Z","modified":"2023-01-30T05:02:08Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:34.16886Z"}],"nvd":[{"id":"CVE-2021-40377","description":"SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.","status":"published","published":"2021-09-08T11:15:07.53Z","modified":"2026-06-17T04:06:49.637Z","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":"2026-11-02T14:06:58.05696Z"}]}}