{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66703", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-07-27T14:01:16.155Z", "datePublished": "2026-08-06T14:28:06.899Z", "dateUpdated": "2026-08-06T14:28:06.899Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-06T14:28:06.899Z"}, "title": "WordPress MailOptin plugin <= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "affected": [{"vendor": "properfraction", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "mailoptin", "product": "MailOptin", "versions": [{"lessThanOrEqual": "1.2.78.0", "status": "affected", "version": "n/a", "versionType": "custom", "changes": [{"at": "1.2.78.1", "status": "unaffected"}]}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Contributor Cross Site Scripting (XSS) in MailOptin <= 1.2.78.0 versions."}], "value": "Contributor Cross Site Scripting (XSS) in MailOptin <= 1.2.78.0 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/mailoptin/vulnerability/wordpress-mailoptin-plugin-1-2-78-0-cross-site-scripting-xss-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"}}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the WordPress MailOptin Plugin to the latest available version (at least 1.2.78.1)."}], "value": "Update the WordPress MailOptin Plugin to the latest available version (at least 1.2.78.1)."}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.2.78.0]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "MailOptin", "source": "cna", "vendor": "properfraction"}, "product": "mailoptin", "vendor": "properfraction"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-08-06T16:15:12.478210+00:00", "updated": "2026-08-06T16:30:04.278238+00:00", "vendors": ["properfraction", "properfraction$PRODUCT$mailoptin", "wordpress", "wordpress$PRODUCT$wordpress"]}