{"id":"CVE-2021-33179","aliases":["EUVD-2021-19894","GHSA-mc87-6p2r-88mx"],"status":"published","title":"The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated...","description":"The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload.","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":0.11683,"percentile":0.96113,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-14T14:57:17Z","modified":"2026-06-17T03:54:18Z","products":[{"vendor":"nagios","product":"nagios xi"},{"vendor":"nagios","product":"nagios_xi"},{"vendor":"nagios enterprises","product":"nagios xi"}],"references":[{"url":"https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33179"},{"url":"https://github.com/advisories/GHSA-mc87-6p2r-88mx"}],"sources":{"cve":[{"id":"CVE-2021-33179","description":"The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload.","status":"published","published":"2021-10-14T14:57:17Z","modified":"2024-08-03T23:42:20.281Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-19894","description":"The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload.","status":"published","published":"2021-10-14T14:57:17Z","modified":"2024-08-03T23:42:20Z","updated_at":"2026-11-03T03:24:34.73748Z"}],"ghsa":[{"id":"GHSA-mc87-6p2r-88mx","title":"The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated...","description":"The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload.","status":"published","published":"2022-05-24T19:17:35Z","modified":"2023-01-30T05:02:50Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:43.616467Z"}],"nvd":[{"id":"CVE-2021-33179","description":"The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload.","status":"published","published":"2021-10-14T15:15:09.093Z","modified":"2026-06-17T03:54:18.75Z","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":"2026-11-02T14:06:59.689345Z"}]}}