{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59788","assignerOrgId":"72de3e22-0555-4a0d-ae81-9249e0f0a1e8","state":"PUBLISHED","assignerShortName":"Zabbix","dateReserved":"2026-07-07T08:30:49.860Z","datePublished":"2026-10-05T10:29:43.438Z","dateUpdated":"2026-10-05T11:23:05.997Z"},"containers":{"cna":{"providerMetadata":{"orgId":"72de3e22-0555-4a0d-ae81-9249e0f0a1e8","shortName":"Zabbix","dateUpdated":"2026-10-05T10:29:43.438Z"},"title":"Stored XSS vulnerability in OAuth configuration form","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-592","descriptions":[{"lang":"en","value":"CAPEC-592: Stored XSS"}]}],"affected":[{"vendor":"Zabbix","product":"Zabbix","repo":"https://git.zabbix.com/","modules":["Frontend"],"versions":[{"status":"affected","version":"7.4.0","lessThanOrEqual":"7.4.11","changes":[{"at":"7.4.12","status":"unaffected"}],"versionType":"git"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p>"}]}],"references":[{"url":"https://support.zabbix.com/browse/ZBX-28198"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.6,"vectorString":"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"}}],"configurations":[{"lang":"en","value":"Super Admin opening an attacker-supplied media type import file.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Super Admin opening an attacker-supplied media type import file.</p>"}]}],"workarounds":[{"lang":"en","value":"Don't import media type configurations from untrusted sources.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Don't import media type configurations from untrusted sources.</p>"}]}],"solutions":[{"lang":"en","value":"Update the affected components to their respective fixed versions.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Update the affected components to their respective fixed versions.</p>"}]}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T11:22:54.202007Z","id":"CVE-2026-59788","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T11:23:05.997Z"}}]}}