CVE-2026-27064

{"id": "CVE-2026-27064", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27064", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-23T15:01:57.478704Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "audit@patchstack.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "affected": [{"source": "audit@patchstack.com", "affectedData": [{"vendor": "EverPress", "product": "Mailster", "versions": [{"status": "affected", "changes": [{"at": "4.1.18", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "4.1.17"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-23T12:17:16.810", "references": [{"url": "https://patchstack.com/database/wordpress/plugin/mailster/vulnerability/wordpress-mailster-plugin-4-1-17-arbitrary-file-upload-vulnerability?_s_id=cve", "source": "audit@patchstack.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "audit@patchstack.com", "description": [{"lang": "en", "value": "CWE-434"}]}], "descriptions": [{"lang": "en", "value": "Editor Arbitrary File Upload in Mailster <= 4.1.17 versions."}], "lastModified": "2026-07-23T16:17:16.853", "sourceIdentifier": "audit@patchstack.com"}