CVE-2026-66703

{"id": "CVE-2026-66703", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-66703", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-06T15:25:58.077831Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "audit@patchstack.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.7, "exploitabilityScore": 2.3}]}, "affected": [{"source": "audit@patchstack.com", "affectedData": [{"vendor": "properfraction", "product": "MailOptin", "versions": [{"status": "affected", "changes": [{"at": "1.2.78.1", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "1.2.78.0"}], "packageName": "mailoptin", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}]}], "published": "2026-08-06T15:17:23.273", "references": [{"url": "https://patchstack.com/database/wordpress/plugin/mailoptin/vulnerability/wordpress-mailoptin-plugin-1-2-78-0-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "audit@patchstack.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "audit@patchstack.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Contributor Cross Site Scripting (XSS) in MailOptin <= 1.2.78.0 versions."}], "lastModified": "2026-08-12T20:58:37.847", "sourceIdentifier": "audit@patchstack.com"}