{"id":"CVE-2021-31862","aliases":["EUVD-2021-18737","GHSA-vvgj-cxq9-3437"],"status":"published","title":"SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.","description":"SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.","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":0.03985,"percentile":0.90644,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-29T10:44:30Z","modified":"2026-06-17T03:52:21Z","exploits":[{"source":"nuclei","id":"CVE-2021-31862","title":"SysAid 20.4.74 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-31862.yaml"},{"source":"pocgithub","id":"RobertDra/CVE-2021-31862","title":"RobertDra/CVE-2021-31862","date":"2021-10-28","url":"https://github.com/RobertDra/CVE-2021-31862"}],"products":[{"vendor":"sysaid","product":"sysaid"}],"references":[{"url":"https://www.sysaid.com/product/on-premise/latest-release","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://github.com/RobertDra/CVE-2021-31862/blob/main/README.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31862"},{"url":"https://github.com/advisories/GHSA-vvgj-cxq9-3437"}],"sources":{"cve":[{"id":"CVE-2021-31862","description":"SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.","status":"published","published":"2021-10-29T10:44:30Z","modified":"2024-08-03T23:10:30.768Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-18737","description":"SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.","status":"published","published":"2021-10-29T10:44:30Z","modified":"2024-08-03T23:10:30Z","updated_at":"2026-11-03T03:24:37.97373Z"}],"ghsa":[{"id":"GHSA-vvgj-cxq9-3437","title":"SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.","description":"SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.","status":"published","published":"2022-05-24T19:19:15Z","modified":"2023-01-30T05:03:31Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:51.429276Z"}],"nvd":[{"id":"CVE-2021-31862","description":"SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.","status":"published","published":"2021-10-29T11:15:08.477Z","modified":"2026-06-17T03:52:21.913Z","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":"2026-11-02T14:07:00.549994Z"}]}}