{"id":"CVE-2025-20240","aliases":["EUVD-2025-31028","GHSA-7423-xf8w-j7hg"],"status":"published","title":"A vulnerability in the web UI of Cisco IOS XE Software could allow an unauthenticated, remote...","description":"A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device.\r\n\r This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.","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":"2026-11-11","score":0.00352,"percentile":0.29291,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-692"],"published":"2025-09-24T17:14:34Z","modified":"2026-09-26T00:10:00Z","products":[{"vendor":"cisco","product":"cisco ios xe software"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-xss-VWyDgjOU"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20240"},{"url":"https://github.com/advisories/GHSA-7423-xf8w-j7hg"}],"sources":{"cve":[{"id":"CVE-2025-20240","description":"A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device.\r\n\r This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.","status":"published","published":"2025-09-24T17:14:34.47Z","modified":"2025-09-26T17:12:35.657Z","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-692"],"updated_at":"2026-11-02T14:32:25.186422Z"}],"euvd":[{"id":"EUVD-2025-31028","description":"A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device.\r\n\r This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.","status":"published","published":"2025-09-24T17:14:34Z","modified":"2025-09-26T17:12:35Z","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":"2026-11-02T20:31:39.520931Z"}],"ghsa":[{"id":"GHSA-7423-xf8w-j7hg","title":"A vulnerability in the web UI of Cisco IOS XE Software could allow an unauthenticated, remote...","description":"A vulnerability in the web UI of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device.\n\n This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.","status":"published","published":"2025-09-24T18:30:31Z","modified":"2025-09-24T18:30:38Z","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"}],"cwes":["CWE-692"],"updated_at":"2026-11-02T15:03:45.337499Z"}],"nvd":[{"id":"CVE-2025-20240","description":"A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device.\r\n\r This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.","status":"published","published":"2025-09-24T18:15:34.333Z","modified":"2026-09-26T00:10:00.127Z","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"}],"cwes":["CWE-692"],"updated_at":"2026-11-02T14:11:32.559087Z"}]}}