{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-10833", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-06-04T10:27:28.810Z", "datePublished": "2026-06-25T03:42:20.497Z", "dateUpdated": "2026-06-25T03:42:20.497Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-06-25T03:42:20.497Z"}, "affected": [{"vendor": "wpdevteam", "product": "Gutenberg Essential Blocks \u2013 Page Builder for Gutenberg Blocks & Patterns", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "6.1.4", "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 'configurablePrefix' Block Attribute in all versions up to, and including, 6.1.4 due to insufficient input sanitization and output escaping. 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 - Page Builder for Gutenberg Blocks & Patterns <= 6.1.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'configurablePrefix' Block Attribute", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0efe8bbd-c1c9-48ed-adab-34c0ac3da8bf?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.1.4/includes/Blocks/TableOfContents.php#L245"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.1.4/includes/Blocks/TableOfContents.php#L425"}, {"url": "https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.1.4/src/blocks/table-of-contents/src/frontend.js#L448"}], "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": "Viet Anh Ngo"}], "timeline": [{"time": "2026-05-14T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2026-06-04T10:44:41.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-06-24T14:50:31.000Z", "lang": "en", "value": "Disclosed"}]}}}

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