{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-96256", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-09-22T19:20:02.066Z", "datePublished": "2026-10-01T09:26:57.815Z", "dateUpdated": "2026-10-01T09:26:57.815Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-10-01T09:26:57.815Z"}, "affected": [{"vendor": "wpdevteam", "product": "Gutenberg Essential Blocks \u2013 Page Builder for Gutenberg Blocks & Patterns", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "6.4.5", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Gutenberg Essential Blocks \u2013 Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Google Map block's 'marker' attribute in versions up to, and including, 6.4.5 This is due to insufficient input sanitization and output escaping on marker title/content values, which are stored as JSON and then decoded and concatenated directly into raw HTML by the frontend script's InfoWindow content builder. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}], "title": "Gutenberg Essential Blocks <= 6.4.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'marker' Attribute", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/606f25d9-f8c7-416a-8bb8-0cc57901ff5a?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.4.5/assets/blocks/google-map/frontend.js#L1"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.4.5/includes/Blocks/GoogleMap.php#L82"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.4.5/src/blocks/google-map/src/save.js#L35"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.3.0/assets/blocks/google-map/frontend.js#L1"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.3.0/includes/Blocks/GoogleMap.php#L82"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.3.0/src/blocks/google-map/src/save.js#L35"}, {"url": "https://plugins.trac.wordpress.org/changeset?reponame=&new=3715353%40essential-blocks%2Ftags%2F6.4.6&old=3706819%40essential-blocks%2Ftags%2F6.4.5"}, {"url": "https://plugins.trac.wordpress.org/changeset/3715353/essential-blocks/trunk/assets/blocks/google-map/frontend.js"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Webbernaut"}], "timeline": [{"time": "2026-09-22T19:37:10.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-09-30T20:30:35.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Gutenberg Essential Blocks \u2013 Page Builder for Gutenberg Blocks & Patterns", "vendor": "wpdevteam", "versions": [{"lessThanOrEqual": "6.4.5", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Gutenberg Essential Blocks \u2013 Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Google Map block's 'marker' attribute in versions up to, and including, 6.4.5 This is due to insufficient input sanitization and output escaping on marker title/content values, which are stored as JSON and then decoded and concatenated directly into raw HTML by the frontend script's InfoWindow content builder. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}], "id": "CVE-2026-96256", "lastModified": "2026-10-01T12:40:28.083", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-10-01T10:17:17.613", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.3.0/assets/blocks/google-map/frontend.js#L1"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.3.0/includes/Blocks/GoogleMap.php#L82"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.3.0/src/blocks/google-map/src/save.js#L35"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.4.5/assets/blocks/google-map/frontend.js#L1"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.4.5/includes/Blocks/GoogleMap.php#L82"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.4.5/src/blocks/google-map/src/save.js#L35"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3715353/essential-blocks/trunk/assets/blocks/google-map/frontend.js"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?reponame=&new=3715353%40essential-blocks%2Ftags%2F6.4.6&old=3706819%40essential-blocks%2Ftags%2F6.4.5"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/606f25d9-f8c7-416a-8bb8-0cc57901ff5a?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-10-01T10:45:07.713643+00:00", "updated": "2026-10-01T10:45:07.713652+00:00", "vendors": []}