CVE-2026-77506

{"id": "CVE-2026-77506", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-77506", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-25T19:12:15.498099Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.7}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "Znuny", "product": "Znuny", "versions": [{"status": "affected", "version": "6.0", "lessThan": "6.5.22", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-20T21:17:10.673", "references": [{"url": "https://www.znuny.org/en/advisories/zsa-2026-12", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS."}], "lastModified": "2026-09-09T16:04:24.933", "sourceIdentifier": "cve@mitre.org"}