{"id":"CVE-2023-48003","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-48003","generatedAt":"2026-10-28T01:49:33.033Z","title":"An open redirect through HTML injection in user messages in Asp.Net Zero before 12.3.0 allows remote attackers to redirect targeted victims to any URL via the '<meta http-equiv=\"refresh\"' in the WebSocket messages.","description":"An open redirect through HTML injection in user messages in Asp.Net Zero before 12.3.0 allows remote attackers to redirect targeted victims to any URL via the '<meta http-equiv=\"refresh\"' in the WebSocket messages.","published":"2023-12-26T22:15:14.000Z","lastModified":"2026-06-17T06:33:30.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-601"],"affected":["aspnetzero/asp.net zero"],"epss":{"score":0.0046,"percentile":0.39591,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://docs.unsafe-inline.com/0day/asp.net-zero-v12.3.0-html-injection-leads-to-open-redirect-via-websockets-cve-2023-48003","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/passtheticket/vulnerability-research/blob/main/aspnetzero_html_injection_via_websockets_messages.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://docs.unsafe-inline.com/0day/asp.net-zero-v12.3.0-html-injection-leads-to-open-redirect-via-websockets-cve-2023-48003","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/passtheticket/vulnerability-research/blob/main/aspnetzero_html_injection_via_websockets_messages.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-48003","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}