{"id":"CVE-2021-22676","aliases":["EUVD-2021-9812","GHSA-xwfh-4h89-6h98"],"status":"published","title":"UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could...","description":"UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).","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":"2026-11-11","score":0.00642,"percentile":0.51231,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-10T14:02:10Z","modified":"2026-06-17T03:37:33Z","products":[{"vendor":"advantech","product":"webaccess/scada"},{"vendor":"advantech","product":"webaccess\\/scada"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22676"},{"url":"https://github.com/advisories/GHSA-xwfh-4h89-6h98"}],"sources":{"cve":[{"id":"CVE-2021-22676","description":"UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).","status":"published","published":"2021-08-10T14:02:10Z","modified":"2024-08-03T18:51:07.046Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9812","description":"UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).","status":"published","published":"2021-08-10T14:02:10Z","modified":"2024-08-03T18:51:07Z","updated_at":"2026-11-03T03:25:01.606931Z"}],"ghsa":[{"id":"GHSA-xwfh-4h89-6h98","title":"UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could...","description":"UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).","status":"published","published":"2022-05-24T19:10:35Z","modified":"2023-01-30T05:01:20Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:22.963176Z"}],"nvd":[{"id":"CVE-2021-22676","description":"UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).","status":"published","published":"2021-08-10T15:15:07.457Z","modified":"2026-06-17T03:37:33.647Z","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":"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":"2026-11-02T14:06:56.943671Z"}]}}