{"id":"CVE-2026-59788","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-59788","generatedAt":"2026-10-28T03:42:17.309Z","title":"The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser.","description":"The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser. This means a crafted media type configuration, deliverable as an import file, runs arbitrary JavaScript as the Super Admin who grants consent.","published":"2026-10-05T11:17:00.000Z","lastModified":"2026-10-06T15:27:06.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@zabbix.com","cvss":{"version":"4.0","score":5.7,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00251,"percentile":0.16358,"date":"2026-10-27","history":[{"date":"2026-10-06","score":0.00251,"percentile":0.15002}]},"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 (0.25%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-05T11:17:00.000Z","detail":{"score":"5.7","severity":"MEDIUM","publishedAt":"2026-10-05T11:17:00.113Z"},"summary":"New CVE, medium severity (CVSS 5.7)."}],"references":[{"url":"https://support.zabbix.com/browse/ZBX-28198","source":"security@zabbix.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-59788","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."}