CVE-2026-86833

{"id": "CVE-2026-86833", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86833", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T09:49:24.362509Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "contact@wpscan.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "affected": [{"source": "contact@wpscan.com", "affectedData": [{"vendor": "Unknown", "product": "MetForm", "versions": [{"status": "affected", "version": "0", "lessThan": "4.3.1", "versionType": "semver"}], "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}]}], "published": "2026-10-07T07:17:01.730", "references": [{"url": "https://wpscan.com/vulnerability/6d6850d6-6fdf-4b97-9ccb-c90f9ed01ab0/", "source": "contact@wpscan.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-74"}]}], "descriptions": [{"lang": "en", "value": "The MetForm WordPress plugin before 4.3.1 does not sanitize or escape submitted form-field values before inserting them into the HTML body of its email notifications, allowing unauthenticated attackers to inject arbitrary markup into the administrator and submitter notification emails the site sends."}], "lastModified": "2026-10-07T14:52:43.420", "sourceIdentifier": "contact@wpscan.com"}