{"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"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["Frontend"], "product": "Zabbix", "repo": "https://git.zabbix.com/", "vendor": "Zabbix", "versions": [{"changes": [{"at": "7.4.12", "status": "unaffected"}], "lessThanOrEqual": "7.4.11", "status": "affected", "version": "7.4.0", "versionType": "git"}]}], "source": "security@zabbix.com"}], "cveTags": [], "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."}], "id": "CVE-2026-59788", "lastModified": "2026-10-05T11:17:00.113", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@zabbix.com", "type": "Secondary"}]}, "published": "2026-10-05T11:17:00.113", "references": [{"source": "security@zabbix.com", "url": "https://support.zabbix.com/browse/ZBX-28198"}], "sourceIdentifier": "security@zabbix.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@zabbix.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.4.0,7.4.11]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.4.12,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Zabbix", "source": "cna", "vendor": "Zabbix"}, "product": "zabbix", "vendor": "zabbix"}], "created": "2026-10-05T11:30:17.482779+00:00", "updated": "2026-10-05T11:30:17.974569+00:00", "vendors": ["zabbix", "zabbix$PRODUCT$zabbix"]}