{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104010", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-10-01T16:40:52.503Z", "datePublished": "2026-11-06T11:17:36.584Z", "dateUpdated": "2026-11-06T11:17:36.584Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-11-06T11:17:36.584Z"}, "affected": [{"vendor": "creativewerkdesigns", "product": "WPSyncSheets For Contact Form 7 \u2013 CF7 Google Sheets Connector & Save to Database", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.8.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The WPSyncSheets For Contact Form 7 \u2013 CF7 Google Sheets Connector & Save to Database plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.8.0 via the 'any non-system CF7 field (e.g., your-message)' parameter parameter. This is due to insufficient sanitization of CF7 submission field values before database storage and the absence of an allowed_classes restriction on maybe_unserialize() during admin retrieval. This makes it possible for unauthenticated attackers to execute code on the server. Successful exploitation of the remote code execution gadget chain requires that a Google Sheets access token be configured in the plugin (its primary advertised feature), as this triggers autoloading of the bundled Monolog 2.10.0 library whose classes form the exploitable gadget chain; however, the underlying PHP Object Injection occurs regardless."}], "title": "WPSyncSheets For Contact Form 7 <= 1.8.0 - Unauthenticated PHP Object Injection to Remote Code Execution via Untrusted CF7 Submission Field via maybe_unserialize()", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/366e20df-4cb2-4ba1-93fd-11552faa1a32?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/entry/class-wpsslc-cf7-entries-table.php#L459"}, {"url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/class-wpsslc-service.php#L114"}, {"url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/class-wpsslc-service.php#L184"}, {"url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/entry/class-wpsslc-single-entry.php#L131"}, {"url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/class-wpsslc-google-api-functions.php#L157"}, {"url": "https://plugins.trac.wordpress.org/changeset/3783292/contactsheets-lite/trunk/includes/entry/class-wpsslc-cf7-entries-table.php"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-502 Deserialization of Untrusted Data", "cweId": "CWE-502", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "GivMeInJ"}], "timeline": [{"time": "2026-11-03T13:34:33.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-11-05T22:08:55.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "WPSyncSheets For Contact Form 7 \u2013 CF7 Google Sheets Connector & Save to Database", "vendor": "creativewerkdesigns", "versions": [{"lessThanOrEqual": "1.8.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WPSyncSheets For Contact Form 7 \u2013 CF7 Google Sheets Connector & Save to Database plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.8.0 via the 'any non-system CF7 field (e.g., your-message)' parameter parameter. This is due to insufficient sanitization of CF7 submission field values before database storage and the absence of an allowed_classes restriction on maybe_unserialize() during admin retrieval. This makes it possible for unauthenticated attackers to execute code on the server. Successful exploitation of the remote code execution gadget chain requires that a Google Sheets access token be configured in the plugin (its primary advertised feature), as this triggers autoloading of the bundled Monolog 2.10.0 library whose classes form the exploitable gadget chain; however, the underlying PHP Object Injection occurs regardless."}], "id": "CVE-2026-104010", "lastModified": "2026-11-06T12:17:15.973", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-11-06T12:17:15.827", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/class-wpsslc-google-api-functions.php#L157"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/class-wpsslc-service.php#L114"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/class-wpsslc-service.php#L184"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/entry/class-wpsslc-cf7-entries-table.php#L459"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/contactsheets-lite/tags/1.8.0/includes/entry/class-wpsslc-single-entry.php#L131"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3783292/contactsheets-lite/trunk/includes/entry/class-wpsslc-cf7-entries-table.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/366e20df-4cb2-4ba1-93fd-11552faa1a32?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-11-06T12:30:04.395953+00:00", "updated": "2026-11-06T12:30:04.395958+00:00", "vendors": []}