CVE-2026-51081

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 9.x 5.1.8 and Proxmox Virtual Environment (PVE) 8.x 4.3.16 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload."}], "id": "CVE-2026-51081", "lastModified": "2026-07-17T18:29:27.757", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-51081", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-17T15:12:31.019464Z", "version": "2.0.3"}}]}, "published": "2026-07-17T15:16:46.753", "references": [{"source": "cve@mitre.org", "url": "https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/post-849973"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.1.8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.3.16"}}], "enrichment": {"confidence": 85.0, "confidence_source": "inferred", "scores": [{"score": 85.0, "source": "inferred"}, {"score": 87.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "virtual_environment", "vendor": "proxmox"}], "created": "2026-07-22T04:00:04.878930+00:00", "updated": "2026-08-01T08:45:02.843738+00:00", "vendors": ["proxmox", "proxmox$PRODUCT$virtual_environment"]}