{"id":"CVE-2021-32536","aliases":["EUVD-2021-19382","GHSA-2788-q3c5-xfcj"],"status":"published","title":"MCU Technologies MCUsystem - Reflected XSS","description":"The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.","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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00788,"percentile":0.56534,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-06-18T09:55:13Z","modified":"2026-06-17T03:53:07Z","products":[{"vendor":"mcu technologies","product":"mcusystem"},{"vendor":"mcusystem","product":"mcusystem"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-4811-4a160-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32536"},{"url":"https://github.com/advisories/GHSA-2788-q3c5-xfcj"}],"sources":{"cve":[{"id":"CVE-2021-32536","title":"MCU Technologies MCUsystem - Reflected XSS","description":"The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.","status":"published","published":"2021-06-18T09:55:13.817Z","modified":"2024-09-16T22:10:15.25Z","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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19382","description":"The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.","status":"published","published":"2021-06-18T09:55:13Z","modified":"2024-09-16T22:10:15Z","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":"2026-11-03T00:55:05.279117Z"}],"ghsa":[{"id":"GHSA-2788-q3c5-xfcj","title":"The login page in the MCUsystem does not filter with special characters, which allows remote...","description":"The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.","status":"published","published":"2022-05-24T19:05:39Z","modified":"2023-01-29T05:07:04Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:08.723565Z"}],"nvd":[{"id":"CVE-2021-32536","description":"The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.","status":"published","published":"2021-06-18T10:15:09.13Z","modified":"2026-06-17T03:53:07.893Z","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":"secondary"},{"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":"2026-11-02T14:06:54.892562Z"}]}}